effective atomic number

unified atomic mass unit

rest mass

neutron

activity

becquerel

curie

specific activity

volumetric activity

surface activity

decay constant

radioactive half-life

mean life

neutron density

particle fluence

particle flux

energy fluence

energy flux

diffusion coefficient, <for the neutron flux>

fission energy

fission yield

fission spectrum

cross-section, <nuclear>

attenuation coefficient

attenuation factor

absorption coefficient

total linear stopping power

linear collision stopping power

linear radiation stopping power

linear energy transfer

mean energy expended per ion pair formed

exposure

roentgen

energy imparted

absorbed dose

kerma

sievert

rem

quality factor, <for radiation protection purposes>

tissue equivalent material

density thickness

exposure rate

exposure rate coefficient

mean free path

buildup factor

conventionally true surface emission rate

radiation emitter

radioisotope

natural radioelement

radioactive equilibrium

radiation sterilization

annihilation radiation

radioactive standard source

certified radioactive standard source

traceable radioactive standard source

sealed source

simulated source

Compton effect

photoelectric effect

pair production

prompt neutron

delayed neutron

fast neutron

slow neutron

intermediate neutron

resonance neutron

epicadmium neutron

thermal neutron

epithermal neutron

cadmium cutoff

neutron multiplication

moderation

neutron diffusion

albedo

plasma

ignition temperature, <for plasma>

fertile nuclide

fertile material

fissile nuclide

fissionable nuclide

aerosol

particulate

dust

space charge

aerodynamic equivalent diameter

thermodynamic equivalent diameter

cosmic radiation

primary radiation

secondary radiation

delta radiation

Cherenkov radiation

generator of radioactive aerosols

nuclear disintegration

nuclear transition

spontaneous fission

thermal fission

fast fission

thermonuclear fusion

crossover gamma ray

adiabatic compression

breakeven

collisional plasma

fusion cross-section

plasma frequency

Q factor

tisue equivalent, <for beta radiation>

internal conversion

internal conversion coefficient

nuclear reaction

nuclear chain reaction

ionization

activation

scattering

coherent scattering

incoherent scattering

Auger effect

induced radioactivity

nuclear fission

gas multiplication

scintillation detector

air-equivalent scintillation detector

tissue equivalent scintillation detector

thermoluminescent detector

photoluminescent detector

ionization detector

ionization chamber

pulse ionization detector

grid ionization chamber

boron trifluoride ionization chamber

boron-lined ionization chamber

fission ionization chamber

air-equivalent ionization chamber

wall-less ionization chamber

tissue-equivalent ionization chamber

differential ionization chamber

compensated ionization chamber

extrapolation ionization chamber

recoil nuclei ionization chamber

thimble ionization chamber

well-type ionization chamber

capacitive ionization chamber

electret ionization chamber

counter tube

proportional counter tube

boron trifluoride proportional counter tube

boron lined counter tube

helium counter tube

recoil nuclei counter tube

Geiger-Müller counter tube

self-quenched counter tube

thin wall counter tube

fission counter tube

liquid counter tube

semiconductor detector

surface barrier detector

diffused junction detector

implanted junction detector

compensated semiconductor detector

lithium drifted semiconductor detector

amplifying semiconductor detector

transmission semiconductor detector

differential dE/dx semiconductor detector

totally depleted semiconductor detector

boron coated semiconductor detector

lithium coated semiconductor detector

fission semiconductor detector

high purity semiconductor detector

radiation compensated semiconductor detector

multi-junction semiconductor detector

planar semiconductor detector

coaxial semiconductor detector

guard-ring semiconductor detector

mosaic semiconductor detector

calorimetric detector

track detector

well-type detector

nuclear emulsion

scintillation

scintillation duration

scintillation rise time

scintillation fall time

scintillation decay time

activator

wavelength shifter

emission spectrum, <of a scintillator>

photon emission curve, <of a scintillator>

energy conversion efficiency, <of a scintillator>

conversion efficiency, <of a photocathode>

spectral response curve, <of a photocathode>

photocathode efficiency

response of a radiation measuring assembly

detector efficiency

detection efficiency

wall effect

residual current, <of a detector>

saturation current, <in an ionization chamber>

saturation voltage, <in an ionization chamber>

saturation curve, <in a current ionization chamber>

Bragg-Gray cavity

Townsend avalanche

end effect, <of a counter>

proportional region

region of limited proportionality

Geiger-Müller region

Geiger-Müller threshold

characteristic curve, <of a radiation detector>

plateau

plateau relative slope

quenching

discriminator curve

Compton continuum

photoelectric peak

total absorption peak

maximum acceptable irradiation rate, <of a detector>

discrimination threshold, <of a detector>

dose albedo

differential dose albedo

quenching circuit

quenching gas

photomultiplier tube

light guide

surface-barrier contact

time-of-flight, <of a particle>

sensitivity, <of a measuring assembly>

energy resolution, <of a radiation spectrometer>

counting loss, <of a counting assembly>

pile-up, <in a counting assembly>

escape peaks, pl

equivalent window thickness, <of a detector system>

self-powered detector

2&pi; or 4&pi; radiation detector

reference standard

electrostatic charge effect

linear ionization, <in nuclear instrumentation>

radiometric gauge

thickness gauge

back-scatter measurement system

density gauge

transmission density gauge

back-scatter soil density gauge

transmission soil density gauge

level gauge

material presence gauge

level following gauge

electrometer-amplifier

spectrum stabilizer

single channel analyser

multi-channel analyser

coincidence circuit

pulse selector

pulse shaper

biased amplifier

charge-sensitive preamplifier

pulse amplifier

radiation protection instrumentation

dosimeter

thermoluminescence dosimeter

thermoluminescence dosimetry system

reader for thermoluminescence dosimeter

dose ratemeter

dose equivalent meter

personal dosimeter

photoluminescence dosimeter

reader for photoluminescence dosimeter

film dosimeter

albedo neutron dosimeter

radioactive surface contamination meter

radioactive surface contamination monitor

radiation portal monitor

air sampler

total alpha energy meter

tissue activity detector

whole body counter

radio-bioassay meter

criticality accident monitor

accident monitor

noble gas effluent monitor for accident conditions

activity median aerodynamic diameter

annual limits on intake

bioassay

breathing zone

derived air concentration

mass median aerodynamic diameter

respirable, adj

source efficiency

high efficiency particulate air filters

blank count rate

sampling assembly

reference level

biological shield

streaming

skyshine

radioactive cloud

recording level

dose equivalent

effective dose equivalent

ambient dose equivalent

personal dose equivalent

surface emission rate response

radiation accident

external exposure

internal exposure

whole body exposure

partial body exposure

local body exposure

public exposure

collective dose

radiation protection guide

protective action, <in radiation protection>

radiation protection survey

controlled area

emergency plan

tissue weighting factor

lethargy, <of a neutron>

average logarithmic energy decrement

divergence, <for a nuclear chain reaction>

reactor time constant

criticality

subcritical multiplication

reactivity

effective multiplication factor

negative reactivity

reactivity temperature coefficient

nuclear poison

burnable poison

control rod

moderator

reflector

neutron converter

self-regulation, <of a nuclear reactor>

shimming

scram

source range

counter range

power range

time constant range

radiation leakage, <in a nuclear reactor>

mixed oxide fuel

hot shutdown

safe shutdown

cold shutdown

film boiling

burnout

barrier, <in a nuclear reactor>

void fraction

safety injection

subcooled

superheated

void

reactor coolant

nuclear reactor instrumentation

power measuring assembly based on activation

period meter

reactivity meter

failed fuel element detector

electrostatic collector failed fuel element detector

Cherenkov effect failed fuel element detector

fission product separator failed fuel element detector

delayed neutron failed fuel element detector

software life cycle

human machine interface

operator support system

safety related item

item important to safety

configuration management

safety system, <of a nuclear reactor>

safety member

protection system, <of a nuclear reactor>

safety actuation system

actuation device

in-core neutron flux mapping system

coolant gross activity monitor

transfer function, <of a nuclear reactor>

electric penetration assembly, <of a nuclear reactor>

in-core temperature detector

in-core temperature measuring system

noise diagnostic system, <of a nuclear reactor>

safety parameter display system

Campbell system, <for neutron monitoring>

shim member

control rod drive mechanism, <of a nuclear reactor>

booster rod

grey rod

black rod

nuclear security, <for a nuclear power plant>

nuclear safety

alarm

maintenance bypass, <for a safety system>

emergency response facility

normal operation

clad failure

unloading

spent fuel pool

reprocessing, <for an irradiated fuel>

anticipated operational occurrence

common mode failure

postulated initiating event

protective action, <in nuclear safety>

safety action

protective function, <in radiation protection>

safety function

safety task

single failure criterion

trip, <for a nuclear reactor>

spurious shutdown

design life, <of equipment>

qualified life, <of equipment>

operational conditions, <of equipment>

qualification margin, <of equipment>

equipment qualification

environmental conditions

monitoring

ageing

accelerated ageing

intrinsic safety

defence in depth, <in plant design>

local control point

supplementary control point, <in nuclear safety>

control room

local operator

safety analysis

house load operation

safety group, <for a nuclear reactor>

safety category

associated circuit

channel

channel check

diversity

redundancy

external event

fault tolerance

functional isolation

interlocks

isolation device

limiting conditions of operation

limiting safety system setting

spurious alarm

physical separation

plant safety analysis

plant states

qualified equipment

reactor instability

reflash

reliability

safety limits, pl

systematic failure

accident conditions, pl

design basis accident

severe accident

xenon effect

residual power

fast reactor

breeder reactor

accelerator driven system

very high temperature reactor

blanket

fusion reactor

ITER

plasma heating

inertial confinement

magnetic confinement

tokamak

stellarator

fuel cycle

enrichment (1)

enrichment (2)

depletion

isotope separation

laser isotope separation

centrifugal process

gaseous diffusion process

enrichment factor

separation factor

separative work

enriched uranium

depleted uranium

spent fuel

radioactive waste management

radioactive waste

transuranic waste

exempt waste

transmutation

clearance level

radioactive waste repository

treatment

immobilization

encapsulation

solidification

matrix

cask

decommissioning

nuclear facility

dismantling

permanent nuclear facility shutdown

radioactive contamination

radioactive decontamination

decontamination factor

remediation

action level

spent fuel processing

Purex process

separation of minor actinides

partitioning

radioactive waste vitrification

zoning

radiation bore-hole logging meter

radioactive well logging

ore content meter

container load activity meter

ore sorting equipment