مسرد R

من موسوعة العلوم العربية
مراجعة 17:43، 12 يوليو 2011 بواسطة إدارة الموسوعة (نقاش | مساهمات) (أنشأ الصفحة ب' تتمة المصطلحات في مقال المعجم العلمي {| class="wikitable" border="1" |- ! مصطلحات A - I ! مصطلح...')
(فرق) → مراجعة أقدم | المراجعة الحالية (فرق) | مراجعة أحدث ← (فرق)
اذهب إلى التنقل اذهب إلى البحث

تتمة المصطلحات في مقال المعجم العلمي

مصطلحات

A - I

مصطلحات

J - R

مصطلحات

S - Z

  • r-meter
  • rabbit
  • rabbit
  • rabbit coop
  • rabbit hutch
  • rabbit system
  • rabies, hydrophobia
  • rabit"(pneumatically operated sample tube)
  • race
  • racemation
  • raceme inflorescence
  • racemic compound
  • racemic mixture
  • racemization
  • racemize; to
  • racemos
  • rachilla
  • rachis
  • rack
  • rack
  • rack panel
  • racking
  • rad (unit of absorbed energy)
  • radappertisation
  • radar
  • radar altimeter
  • radar altitude
  • radar antenna
  • radar astronomy
  • radar beam
  • radar chart
  • radar coverage
  • radar horizon
  • radar jumming
  • radar meteorology
  • radar paint
  • radar pulse
  • radar range
  • radar scanning
  • radar shadow
  • radar station
  • radar tracking
  • radial
  • radial beam tube
  • radial diffusion
  • radial dimenson
  • radial distribution
  • radial force
  • radial modulation
  • radial node
  • radial oscillation
  • radial peak flux
  • radial position
  • radial stress
  • radial symmetry
  • radial system
  • radial velocity
  • radially bare
  • radian
  • radiance
  • radiant
  • radiant density
  • radiant efficiency
  • radiant energy
  • radiant flux
  • radiant heating
  • radiant intensity
  • radiate, to
  • radiated
  • radiated power
  • radiating heat
  • radiating scattering
  • radiating umble inflorescence
  • radiation
  • radiation background
  • radiation beam
  • radiation counter (survey meter)
  • radiation counter tube
  • radiation curing
  • radiation damage
  • radiation damping
  • radiation death
  • radiation density
  • radiation dosage (radiation dose)
  • radiation dosimetry
  • radiation effect
  • radiation energy
  • radiation equilibrium
  • radiation exposure
  • radiation field
  • radiation flux
  • radiation genetics
  • radiation hardening
  • radiation hazard
  • radiation heating
  • radiation history
  • radiation immobilization
  • radiation indicator
  • radiation injury
  • radiation intensity
  • radiation istry
  • radiation length
  • radiation level
  • radiation loss
  • radiation measure-ment
  • radiation micro-ogy
  • radiation monitor-ing
  • radiation oncology
  • radiation physics
  • radiation power density
  • radiation pressure
  • radiation processing
  • radiation protection
  • radiation protection advisor team
  • radiation protection guide
  • radiation rate
  • radiation resistance
  • radiation safety
  • radiation sensitive
  • radiation shielding
  • radiation sickness
  • radiation source
  • radiation standards
  • radiation sterilization
  • radiation sterilization dose
  • radiation syndrome
  • radiation therapy
  • radiation width
  • radiation-attenuated vaccine
  • radiation-induced deleterious recessive mutation
  • radiation-induced embrittlement
  • radiation-induced genetic defect
  • radiation-induced immobilization techniques
  • radiation-induced mutation
  • radiation-induced polymerization
  • radiationless decay
  • radiationless transition
  • radiative capture
  • radiative capture cross section
  • radiative capture of neutrons (by uranium)
  • radiative cascade
  • radiative cooling
  • radiative decay
  • radiative equilibrium
  • radiative recombina- tion (of ions)
  • radiative transition
  • radiator
  • radical
  • radicidation
  • radicle
  • radio galaxies
  • radio noise
  • radio protection
  • radio telescope
  • radio-
  • radio-frequency-induced evaporation
  • radio-induced mutation
  • radio-thin layer
  • radioacoustic
  • radioacoustics
  • radioactinium
  • radioactivation analysis
  • radioactive
  • radioactive aerosol
  • radioactive airborne particles
  • radioactive barium
  • radioactive byproduct
  • radioactive carbon
  • radioactive chain
  • radioactive chemistry
  • radioactive constant
  • radioactive constant; transformation constant
  • radioactive contamination
  • radioactive dating
  • radioactive decay
  • radioactive decay product
  • radioactive deposit
  • radioactive disintegration
  • radioactive dust
  • radioactive effluent
  • radioactive element
  • radioactive equilibrium
  • radioactive fall-out
  • radioactive family
  • radioactive fission product
  • radioactive gas
  • radioactive half-life
  • radioactive heat
  • radioactive indicator
  • radioactive indium
  • radioactive iodine
  • radioactive material
  • radioactive nucleus
  • radioactive nuclide
  • radioactive poison
  • radioactive precursor
  • radioactive radiation
  • radioactive recoil
  • radioactive relationship
  • radioactive series
  • radioactive standard
  • radioactive steam
  • radioactive tracer
  • radioactive waste
  • radioactive wastes
  • radioactive water
  • radioactive zone
  • radioactively labelled
  • radioactivity
  • radioactivity level
  • radioagronomy
  • radioagronomy section
  • radioastronomy
  • radioautograph
  • radiobilogical effect
  • radiobiological action
  • radiocarbon dating
  • radiochemical
  • radiochemical- separation procedure
  • radiochemistry
  • radiochromato-graphy
  • radiochronology
  • radiocolloid
  • radiodisinfestation
  • radioecho
  • radioecology
  • radioecology
  • radioelement
  • radiofrequency
  • radiofrequency amplifier
  • radiofrequency component
  • radiofrequency filter
  • radiofrequency oscillator
  • radiofrequency radiation
  • radiofrequency spectrum
  • radiogalaxy
  • radiogenic
  • radiogenic heat
  • radiogenic isotope
  • radiograph
  • radiographic
  • radiographic inspection
  • radiography
  • radioical anal
  • radioical assay
  • radioical neutron activation analysis
  • radioical process
  • radioimmoassay
  • radioimmuno- scintgraphy
  • radioimmunoassay
  • radioimmunotherapy
  • radioinduction
  • radioisotope
  • radioisotope batteries
  • radioisotope generators
  • radioisotope migration
  • radioisotope scanning
  • radioisotope-labelled drugs
  • radiolabel
  • radiolabelling
  • radiological
  • radiological hazards
  • radiological monitoring
  • radiological protection
  • radiologist
  • radiology
  • radioluminescence
  • radioluminous
  • radiolysis
  • radiometer
  • radiometric
  • radiometric analysis
  • radiometric halos
  • radiometric quantity
  • radiometric survey
  • radiometry
  • radiomimetic
  • radiomutation
  • radionuclide
  • radionuclide inputs
  • radionuclide outputs
  • radioogy
  • radiopasteurization
  • radiopharmaceutic
  • radiopharmaceutical
  • radiopropagation
  • radioresistance
  • radioresonance method
  • radioscopy
  • radiosensitivity
  • radiosensitizer
  • radiosource
  • radiosterilization
  • radiosurgery
  • radiotelemetry
  • radioteletype
  • radiotherapy
  • radiothorium
  • radiotoxicity
  • radiotoxology
  • radiotracer
  • radiowave
  • radiowave radiation
  • radish
  • radium (ra)
  • radium beryllium source of neutrons
  • radium emanation
  • radius (radii)
  • radius of action
  • radius of curvature
  • radius of gyration (radius of inertia)
  • radome
  • radon (rn)
  • radon concentration
  • radon daughters
  • radon detector
  • radon technique
  • radurization
  • radwastes = radiowastes
  • raffinase
  • raffinate
  • raffinate layer
  • raft
  • ragged feathers
  • railway
  • rain
  • rain-fed area
  • rain-tight
  • rainbow scattering
  • rainfall
  • rainmaking
  • raise (v)
  • raisin
  • rake
  • raking
  • ram
  • ram (random access memory)
  • ram (random access memory)
  • raman
  • raman effect
  • raman scattering
  • raman spectroscopy
  • ramification
  • ramming
  • ramos
  • ramp generator
  • rana
  • rancid
  • rancid oil
  • rancidity
  • randite
  • random
  • random access memory
  • random access memory(ram)
  • random coincidence
  • random distribution
  • random electrostatic field
  • random encounter
  • random genetic
  • random medium
  • random motion
  • random noise
  • random process
  • random sample
  • random scattering
  • random selection
  • random sequence
  • random storage
  • random walk
  • randomization
  • randomized complete block design
  • randomness
  • raney nickel
  • range
  • range control
  • range deviation
  • range estimation
  • range finder
  • range of action
  • range of neutron velocity
  • range of nuclear force
  • range of particle
  • range of visibility
  • range straggling
  • range-energy relation
  • rangeland
  • ranger
  • rank
  • rape
  • rape oil
  • rape seed oil
  • rapeseed meal
  • rapid analysis
  • rapid process
  • raptor
  • rare gas
  • rare isotope
  • rare metal
  • rare- earth chelates
  • rare-earth
  • rare-earth elements
  • rarefaction
  • rarefaction wave
  • rarefied
  • rarefied gas
  • rash
  • raspberry
  • raster
  • raster pattern
  • raster scanning
  • rat
  • ratchet
  • ratchet voltage
  • rate
  • rate limiting step
  • rate of approach
  • rate of change
  • rate of decrease
  • rate of diffusion
  • rate of discharge
  • rate of discharge of electroscope
  • rate of disintegration
  • rate of energy gain
  • rate of firing
  • rate of formation
  • rate of growth
  • rate of ical reaction
  • rate of increase
  • rate of occurence
  • rate of power generation
  • rate of radioactive decay
  • rate of reaction
  • rate of withdrawal
  • rated capacity
  • rated characteristic
  • ratemeter
  • raticide
  • rating
  • ratio
  • ratio dedector
  • ratio meter
  • ratio of transformation
  • ratio resistor
  • rationing
  • rations
  • rauvite
  • ravine
  • raw material
  • ray
  • ray flowers
  • ray path
  • ray surface
  • ray system
  • rayleigh scattering
  • rayleigh waves
  • rayleigh-jeans law
  • rayon
  • rbe dose (relative biological effectiveness of radiation
  • rbs (rutherford back scattering)
  • rcic (reactor core isolation cooling) systems
  • re-
  • re-deposition
  • re-form, to
  • re-heat regenerative steam cycle
  • reabsorbing
  • react; to
  • reactance
  • reactant
  • reactants
  • reacting fuel
  • reacting plasma
  • reacting volume
  • reaction
  • reaction cross section
  • reaction energy
  • reaction formula
  • reaction heat
  • reaction mean free path
  • reaction mean free time
  • reaction of excited molecules
  • reaction power
  • reaction power density
  • reaction product
  • reaction rate
  • reaction rate parameter
  • reaction region
  • reaction series
  • reaction threshold
  • reaction time
  • reactivate; to
  • reactivation
  • reactivator
  • reactive
  • reactive gauge
  • reactive ion etching
  • reactive mixture
  • reactive nitrogen species
  • reactive power
  • reactivity
  • reactivity calibration
  • reactivity coefficient
  • reactivity drift
  • reactivity meter
  • reactivity regulator worth
  • reactivity regulator worth
  • reactivity temperature coefficient
  • reactivity worth
  • reactor
  • reactor accidents
  • reactor block
  • reactor channels
  • reactor charging machines
  • reactor column
  • reactor commissioning
  • reactor control
  • reactor control rate
  • reactor control rods
  • reactor control theory
  • reactor core
  • reactor core
  • reactor core disruption
  • reactor decommissioning
  • reactor design
  • reactor dismantling
  • reactor engineering
  • reactor equation
  • reactor fuel
  • reactor fuel elements
  • reactor fueling
  • reactor istry
  • reactor kinetics
  • reactor lattice pitch
  • reactor licensing
  • reactor loop
  • reactor ma
  • reactor metallurgy
  • reactor operation)
  • reactor operators
  • reactor period
  • reactor pit
  • reactor poison
  • reactor poison removal
  • reactor pressure vessel
  • reactor runaway
  • reactor safety
  • reactor shutdown
  • reactor simulators
  • reactor sites
  • reactor siting
  • reactor spectrum
  • reactor start-up
  • reactor synchroniz-ing
  • reactor thermal columns
  • reactor trip
  • reactor tube
  • reactor vessel
  • reactor vessel
  • read head
  • read out
  • read screen
  • read-out system
  • reader
  • reading rate
  • reagent
  • reagent box
  • reagent for etching
  • real image
  • real part (of complex number)
  • real time
  • real-time processing
  • realgar
  • realistic
  • reap (v)
  • reaper
  • reaper and binder
  • rear wheel
  • rearing
  • rearrange; to
  • rearrangement
  • reasoning
  • reboiler
  • reboiler coil
  • recall
  • recapture constant
  • receive; to
  • receiver
  • receptacle
  • receptacte
  • receptive field
  • receptor
  • recession
  • recessive
  • recessive character
  • recessive lethal matation
  • recessive mutaion
  • recipient
  • reciprocal
  • reciprocal cross
  • reciprocal lattice
  • reciprocal vector
  • reciprocity
  • reciprocity theorem
  • recirculation
  • reclaim; to
  • reclaimer
  • reclaiming
  • reclamation
  • reclinate leaf
  • recognition
  • recognition criteria
  • recoil
  • recoil electron
  • recoil nucleus
  • recoil proton
  • recoil transport
  • recoil triton
  • recoilless emission
  • recombinant dna
  • recombination
  • recombination coefficient
  • recombination region
  • recombinations
  • recombiner assembly
  • recombiner condenser
  • recommended dietary allowances
  • recondensation
  • reconfigurability
  • reconnaissance
  • reconnaissance survey
  • reconstitution
  • recorder
  • recorder-controller
  • recording
  • recover; to
  • recoverable
  • recovered
  • recovered oil
  • recovery (of a patient)
  • recovery ; see also: extraction
  • recovery curve
  • recovery of uranium
  • recovery of waste uranium
  • recovery rate
  • recovery time
  • recrystallization
  • recrystallization
  • recrystallize; to
  • rectal
  • rectangle
  • rectangular array
  • rectangular parallel-epiped
  • rectangular projection
  • rectangular pulse
  • rectangular scanning
  • rectangular wave
  • rectangular waveguide
  • rectification
  • rectified
  • rectified spirit
  • rectifier
  • rectify, to
  • rectilinear motion
  • rectilinear polarisation
  • rectum
  • rectus
  • recuperation
  • recurrence
  • recurrence relation
  • recurrence relation
  • recurrent
  • recurvate
  • recurvature
  • recyclage
  • recycle
  • recycled fuel
  • recycling
  • red
  • red corpuscles
  • red-shift
  • redhibitory defect
  • redhibitory malady
  • redistribution
  • redox
  • redox cell
  • redox potential
  • reduce; to
  • reduced
  • reduced enrichment for research and test reator (rertr)
  • reduced mass
  • reducer
  • reducible
  • reducing
  • reductant
  • reductase
  • reductibility
  • reduction
  • reduction activity
  • reduction and precipitation
  • reduction division
  • reduction potentiel
  • reduction to thermal velocities
  • reductive
  • redundancy
  • redundant
  • redundant
  • reduplication of organs
  • reed
  • reef
  • reentrant circuit
  • reentrant connection
  • referee
  • reference
  • reference asian man
  • reference beam
  • reference core
  • reference crop
  • reference man
  • reference material
  • reference plant
  • reference value
  • referential relation
  • refilter
  • refine; to
  • refined
  • refined oil
  • refined petroleum
  • refined product
  • refinement
  • refinery
  • refinery gas
  • refining
  • refister circuit
  • reflect; to
  • reflectance
  • reflected assembly
  • reflected reactor
  • reflection
  • reflection coefficient
  • reflection factor
  • reflection law
  • reflection of neutron beam
  • reflection symmetry (right-left symmetry)
  • reflection x-ray fluorescence
  • reflectivity
  • reflectometer
  • reflector
  • reflector control
  • reflector lattice
  • reflector plate
  • reflector saving
  • reflex
  • reflex circuit
  • reflexive relation
  • reflux
  • reflux condenser
  • reflux ratio
  • refluxing
  • reforestation
  • reform; to
  • reformated
  • reformer
  • reforming
  • refract; to
  • refraction
  • refraction of neutron beam
  • refractive index
  • refractivity (molecular)
  • refractometer
  • refractometry
  • refractory
  • refractory material
  • refrigerant
  • refrigerated gas
  • refrigerating
  • refrigeration
  • refrigerator
  • refuse
  • regelation
  • regenerate plutonium
  • regenerate; to
  • regenerated fuel
  • regeneration
  • regeneration of neutrons
  • regeneration of nuclear fuels
  • regeneration of plant
  • regenerative
  • regenerative cycle
  • regenerative process
  • regenerative reactor
  • regenerator
  • regime
  • region
  • region of limited proportionality
  • regional
  • regional fuel cycle centres
  • regional project
  • regiospecific
  • regiospecificity
  • register
  • registered
  • registrant
  • registration
  • regolith
  • regression
  • regression analysis
  • regression equation
  • regular
  • regularities
  • regulated
  • regulated power supply
  • regulating transformer
  • regulation
  • regulator
  • regulatory activities
  • regulatory activities
  • regulatory authority
  • regulatory practice
  • regulatory practice
  • regulatory region
  • regulatory regions
  • regurgitation
  • rehabilitation
  • reinfection
  • reinforce
  • reinforced
  • reinforcement
  • reinsertion
  • reject
  • rejection
  • rejector
  • rejector circuit
  • rejoining
  • rejoining process
  • rejuvenation
  • relation
  • relative
  • relative aperture
  • relative concentra-tion
  • relative energy
  • relative intensity of radiation
  • relative kinetic energy
  • relative neutron flux
  • relative ogical effectivness (rbe)
  • relative particle energy (in plasma)
  • relative plateau slope
  • relative position
  • relative velocity
  • relative volatility
  • relativistic heavy ion collider (bnl)
  • relativistic mass equation
  • relativistic particle
  • relativistic range
  • relativistic velocity
  • relativity
  • relaxation
  • relaxation energy
  • relaxation frequency
  • relaxation length
  • relaxation time
  • relay
  • relay cell
  • relay sattalite
  • relay system
  • release
  • release (fission product)
  • release limits
  • release machinery
  • release of energy
  • release; to
  • release; to
  • reliability
  • reliability of reactor pressure components
  • relief
  • relief valve
  • relocate
  • reluctance
  • reluctivity
  • rem (roentgen equivalent man)
  • remainder
  • remains
  • remanence
  • remanent magnetization
  • remelting
  • remiges
  • remission
  • remontant
  • remote
  • remote control
  • remote decommis-sioning system
  • remote handling equipment
  • remote handling equipment
  • remote manipulation
  • remote sensing
  • removable contamination
  • removal of nuclear material
  • renal calculus
  • renal failture
  • renal transplant
  • renardite
  • renegade
  • renewable energy sources
  • rennet
  • renneting
  • rennin
  • renormalisation
  • renovation
  • reorientation
  • reoxidation
  • rep (roentgen equivalent physical)
  • repair
  • repair dna
  • reparation
  • repeat operator
  • repeated
  • repeater
  • repeating decimal
  • repellent
  • repercussion
  • reperfusion
  • repetition
  • repetition rate
  • repetitive error
  • repetitive garbled segments of dna
  • replaceable fuel assemblies
  • replacement
  • replica
  • replica techniques
  • replicate
  • replication
  • replication of dna
  • replicative process
  • replum
  • repolarize
  • report
  • reporter
  • repotting
  • representation
  • representation theory
  • representational signal
  • representative
  • representative array
  • representative sample
  • repress; to
  • repression
  • reprocessing
  • reprocessing loss
  • reprocessing plant
  • reproduce
  • reproducer
  • reproducible
  • reproduction
  • reproduction factor
  • reproductive rate
  • reproductive system
  • reptant
  • reptile
  • repulsion
  • repulsive
  • repulsive core
  • repulsive energy
  • repulsive force
  • request
  • requirement
  • rerun tower
  • rescattering
  • rese & develop-ment (r&d)
  • rese laboratory
  • rese reactor
  • rese reactor data base
  • rese reactors
  • rese section
  • resean
  • reseeding
  • reserpine
  • reserve
  • reserve cell
  • reservoir
  • reset action
  • resid
  • residence time
  • residual
  • residual gas
  • residual range
  • residual reactivity
  • residual stresse
  • residue
  • resin
  • resin column
  • resin columns
  • resinaceous (=resinous)
  • resinification
  • resinoid
  • resinous;
  • resist
  • resistance
  • resistance box
  • resistance coupling
  • resistance- capacitance oscillator
  • resistant
  • resisting
  • resistive
  • resistivity
  • resistor
  • resistor network
  • resolution
  • resolution
  • resolution limit
  • resolve; to
  • resolvent
  • resolving power
  • resolving time
  • resonance
  • resonance absorption
  • resonance breeder
  • resonance capture
  • resonance contour
  • resonance cross section
  • resonance energy
  • resonance escape probability
  • resonance escape probability
  • resonance integral
  • resonance ionisation spectroscopy
  • resonance ionization
  • resonance ionization mass spectroscopy
  • resonance level
  • resonance neutron
  • resonance neutron flux
  • resonance peak
  • resonance poisoning
  • resonance reactor
  • resonance region
  • resonance scattering
  • resonance-ionization spectroscopy
  • resonant
  • resonant absorption of neutrons
  • resonant filter array
  • resonant ionisation spectrometry
  • resonant oscillation
  • resonant tunneling
  • resonate; to
  • resonator
  • resorcin
  • resorption
  • resource
  • resource conservation
  • resource depletion
  • resowing
  • respiration
  • respiration intensity
  • respirator
  • respiratory system
  • respond
  • response
  • response functions
  • response time
  • rest energy
  • rest mass
  • rest point
  • resting stage
  • resting voltage
  • restoration
  • restoring force
  • restraining means
  • restricted
  • restricted rotation
  • restriction
  • restriction-enzyme
  • result
  • result in
  • resultant
  • resultant alpha particle
  • resultant nucleus
  • resultant of forces
  • results & discussion
  • retailer
  • retainer
  • retaining ring
  • retard" position
  • retardant
  • retardation
  • retardation capacity
  • retarder
  • retarding mechanisms
  • retarding plate voltage
  • retention
  • retention coefficient
  • retention functions
  • retention pen
  • retention time
  • reticular
  • reticular structure
  • reticulate
  • reticulate nervation
  • reticulation
  • reticulo-pinnate
  • reticulo-rumen cavity
  • reticulum
  • retina
  • retinal blockade
  • retinal ganglion cell
  • retinal neuron
  • retinoblastoma
  • retinogeniculate
  • retinol
  • retort
  • retorting
  • retreat
  • retrieval services
  • retro-
  • retrofit
  • retrograde
  • retrograde, to
  • retrogression
  • retrogressive
  • retroreflector
  • retroreflector
  • retrospection
  • retrospective
  • retroversion
  • retroviral genome
  • retting
  • return
  • retuse leaf
  • reunification
  • reunion
  • reveal
  • revelation
  • revenue
  • reverberation
  • reverberatory furnace
  • reversal film
  • reverse (fault)
  • reverse bias
  • reverse current
  • reverse osmosis (ro)
  • reverse osmosis (ro)
  • reverse transcription
  • reverse-field pinch
  • reverse; to
  • reversed polarity
  • reversibility
  • reversibility of the somatic effects
  • reversible
  • reversible compression
  • reversible process
  • reversible turbines
  • reversing current
  • reversion
  • reversion of lines (x-ray spectra)
  • review
  • reviews
  • revision
  • revivication
  • revolution
  • revolution counter
  • revolving
  • rewire
  • reworked
  • rexforming
  • reynolds number
  • rhamnus, buckthorn
  • rhenium (re)
  • rheology
  • rheology
  • rheopexy
  • rheostat
  • rheotropism
  • rhesus
  • rhesus factor
  • rheum
  • rheumatic
  • rheumatic fever
  • rheumatism
  • rheumatoid arthritis
  • rhizobium
  • rhizobium
  • rhizogen
  • rhizoid
  • rhizome
  • rhizophytes
  • rhizopods
  • rhodamine
  • rhodium (rh)
  • rhodochrosite
  • rhodonite
  • rhombail
  • rhombic
  • rhombic lattice
  • rhombohedral
  • rhombohedron
  • rhomboid
  • rhubarb
  • rib
  • ribbon
  • ribbon structure
  • riboflavine; riboflavin
  • ribonucleic acid rna
  • ribonucleoprotein
  • ribonucleotide
  • ribonucleotide reductase
  • ribose
  • ribosomal rna
  • ribosome
  • ribulose
  • rice
  • rice blast
  • rice hull
  • rice moth
  • rice straw
  • rice weevil
  • rich gas
  • rich oil
  • richardson constant
  • ricinoleic acid
  • ricinus oil
  • ridae
  • rider
  • ridge(s)
  • riemann space
  • riemannian
  • rift valley
  • right angle
  • right internal carotid artery
  • right section
  • right triangle
  • right –handed material(rhm)
  • right-angle prism
  • right-hand rule
  • right-handed
  • right-polarized electron
  • rigid
  • rigid body
  • rigid frame
  • rigidity
  • rigor
  • rims
  • ring
  • ring current
  • ring geometry
  • ring laser
  • ring rot
  • ring scaler
  • ring structure
  • ring vortex
  • ring worm
  • ringing
  • rings of saturn
  • rinsed
  • rinsing
  • riometers
  • riparian woodland
  • ripening
  • ripple
  • ripple factor
  • ripple filter
  • ripple marks
  • ripple voltage
  • rise
  • rise time
  • risk
  • risk factor
  • ritz variation method
  • road
  • road map
  • road net
  • roast; to
  • roaster
  • roasting
  • robot
  • robotics
  • robust
  • robust
  • roche limit
  • rock
  • rock deformation
  • rock matrix
  • rock phosphate
  • rock salt
  • rocket
  • rocket fuel
  • rocket launcher
  • rocket ogive
  • rocket-salad
  • rocky shores
  • rod
  • rod drive
  • rod lattice
  • rod shape
  • rod-assembly
  • rod-type thermistor
  • rodent
  • rodenticide
  • rodenticide
  • roe
  • roe deer
  • roebuck
  • roentgen
  • roentgen equivalent
  • roentgen rays
  • roentgen therapy
  • roentgenography
  • rogersite
  • roll
  • roll-front deposit
  • roller
  • roller bearings
  • rolling
  • rolling friction
  • rom (read only memory)
  • romance
  • roof
  • roof filter
  • room temperature
  • roost
  • rooster
  • root
  • root mean square velocity
  • root mean-square value
  • root of an equation
  • root-rot
  • root-sucker
  • rooting
  • roots distribution
  • rootstock
  • rope
  • rope halter
  • ropy milk
  • rose
  • rose oil
  • rosin
  • roster pattern
  • rostrate
  • rot
  • rot
  • rotameter
  • rotary
  • rotary compressor
  • rotary drive
  • rotary evaporizer
  • rotary mower
  • rotary plough
  • rotary pump
  • rotary scraper
  • rotary vacuum pump
  • rotary valve
  • rotating
  • rotating crystal method
  • rotating crystal method
  • rotating feeder
  • rotating pump
  • rotation
  • rotation axis
  • rotation group
  • rotation moment
  • rotation spectrum
  • rotation symmetry (of space)
  • rotation therapy
  • rotational
  • rotational band
  • rotational energy
  • rotational grazing
  • rotational level
  • rotational motion (rotation)
  • rotational spectrum
  • rotational stability
  • rotational transform (of magn. line of force)
  • rotational wave
  • rotator
  • rotator
  • rotatory
  • rotatory power
  • rotavirus
  • rouge
  • rough
  • rough atomic weight
  • roughage
  • roughness
  • round-bottom flask
  • rounding-off
  • roup of fowls
  • router
  • routing card
  • row
  • row address
  • row order
  • row signal
  • row sowing
  • royalty
  • rubber (=caoutchouc)
  • rubber tubing
  • rubbing
  • rubble land
  • rubidium (rb)
  • ruby
  • ruby laser
  • rule
  • rule of eight
  • rumen canula
  • ruminant
  • ruminants
  • rumination
  • rump
  • run off
  • runaway
  • runaway electron
  • runback
  • runge
  • runner
  • rupture
  • rural
  • rurban
  • rust
  • rust
  • rust prevention
  • rust preventive
  • rustic
  • rustiness
  • rusting
  • rustproof
  • ruthenium (ru)
  • rutherford
  • rutherford scattering
  • rutherfordite
  • rutile
  • rydberg (ry)
  • rydberg atoms
  • rydberg constant r
  • rydberg states
  • rye

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z