ENS

Glossary of nuclear terms

by Winfried Koelzer

Nuclear Glossary as PDF-file
(6.5 MB, Edition February 2013)

A...

Absorbed dose	Absorbed dose rate	Absorber
Absorber rod	Accelerator	Accident
Accounting	Activation	Activation analysis
Activation cross section	Active beam	Activity
Activity concentration	Activity intake	Activity, specific
After Power	AGR	Air lift
ALARA	A LI	Alpha decay
Alpha particle	Ambient dose aquivalent	Amplitude analysis
Amplitude analyzer	Annihilation radiation	Annual limit on intake
Annular gap	Anticoincidence circuit	Antimatter
Antiparticles	APP	Argonaut
ASME	Asse	Atom
Atomic bomb	Atomic clock	Atomic number
Atomic weight	ATWS	Autoradiolysis
Autoradiogram	Availability factor	AVM procedure
AVR

B...

Barn	Barrier	Baryon
Base load power plants	Becquerel	BEIR
BER II	Beta decay	Beta particle
Beta radiation	Beta-minus decay	Beta-plus decay
Betatron	BfS	Biblis A
Biblis B	Binding energy	Biosphere
Blanket	BMBF	BMU
Body burden	Body counter	Body dose
Boiling water reactor	Bone seeker	Boron counter
Borosilicate glass	Bq	Breeding
Breeding factor	Breeding gain	Breeding process
Breeding ratio	Breeding reactor	Bremsstrahlung
BTU	Bubble chamber	Build-up factor
Burnup	BWR

C...

C-14	Calder Hall	CANDU
Canister	Capacity factor	Capacity operating hours
Carbon-14	Castor	CEA
Cell, hot	Centrifuge	Cerenkov radiation
Chain reaction	Chelating agents, DTPA	Chernobyl
Chop and leach	Chromatography	Ci
Cladding	Classification of elements	Closed-circuit cooling systems
Closed-circuit ventilation	Cloud chamber	Coal equivalent
Coated particles	Cogeneration	Coincidence
Collective dose	Commission on Radiological Protection	Committed dose
Compact storage basins	Company for Industrial Plants and Nuclear Safety	Compton effect
Condensing basin	Conditioning plant	Consensus on nuclear power
Containment	Contamination	Control rod
Controlled area	Convention on Third Party Liability in the Field of Nuclear Energy	Conversion
Conversion coefficient, internal	Conversion electron	Conversion, radioactive
Converter reactor	Coolant	Cooling pond
Cooling tower	Core	Core catcher
Core meltdown	Core meltdown retention basin	Cosmic radiation
Counter tube	CP-1	Critical
Critical experiment	Critical mass	Critical size
Criticality	Criticality accident	Criticality safety
Criticality, prompt	Crud	Curie
Cyclotron

D...

DAtF	Dating, radioactive	Daughter and grandchild nuclides
DBE	Decay	Decay basin
Decay chains, natural	Decay constant	Decay time
Decommissioning of nuclear power plants	Decontamination	Decontamination factor
Degree of enrichment	Delayed critical	Demineralized water
Depleted uranium	Depletion	Depth dose
Depth dose, relative	Design basis accident	Detection limit
Deterministic radiation effect	Deuterium	Deuteron
Deutsches Atomforum (German Atomic Forum)	DIDO	Diffusion separation process
Direct cooling	Direct radiation	Directional dose equivalent
Disaster control plans	Discussion date	Dispersion calculations
Disposal precaution	Dissolution device	Dissolver
District heating power plant	Diversity	Dodecane
Dollar	Doppler effect	Dose
Dose build-up factor	Dose coefficient	Dose effect curve
Dose equivalent	Dose equivalent rate	Dose limit value
Dose rate	Dose-effect relation	Dosimeter
Dosimetry	Doubling time	Dry cooling tower
Dry storage	DTPA

E

ECCS	Ecology	Ecosystem
Efficiency	Electromagnetic isotope separation	Electromagnetic radiation
Electron	Electron capture	Electron equilibrium
Electron volt	Element	Element, artificial
Elementary charge	Elementary particles	Emergency core cooling system
Emission	Emission height	Enclosed radioactive substances
Energy	Energy balance record	Energy carrier
Energy conversion	Energy requirement	Energy reserves
Energy units	Engineered storage	Enriched uranium
Enrichment	Enrichment chains	Enrichment factor
Enrichment method	ENS	Environmental Impact Assessment
Environmental load	environmental monitoring	EPR
Equilibrium, radioactive	Equipment availability factor	ERAM
Euratom basic safety standards	Eurochemic	European Pressurized Water Reactor
eV	EVA	Evacuation plans
Evaluation graduation	Examination threshold	Excess reactivity
Excitation energy for nuclear fission	Excited state	Exclusion area
Excursion	Exhaust air path	Experimental reactor
Experimentation channel	Exposure path	Extraction
Extractor

F...

Fail safe	Fallout	Fast breeding reactor
Fast fission factor	Fast reactor	FBR
FE	Federal Office for Radiation Protection	Fertile material
Film dosimeter	Final energy	Financial security
Fissile material	Fissile material flow control	Fissility
Fission	Fission chamber	Fission gas
Fission gas plenum	Fission neutron	Fission neutron yield
Fission product poison	Fission products	Fission yield
Fission, spontaneous	Fission, thermal	Fissium, simulated
Floor pan	FMRB	FORATOM
FR 2	FRG-1	FRG-2
FRH	FRJ-2	FRM
FRM II	FRMZ	Fuel
Fuel comparison	Fuel cycle	Fuel element
Fuel element, irradiated	Fuel element, spent	Fuel reprocessing
Fuel rod	Fuel, ceramic	Fusion

G...

Gamma quantum	Gamma radiation	Gas amplification
Gas centrifuge process	Gas flow counter	Gas-cooled reactor
Gaseous diffusion process	Geiger counter	Geiger-Müller counter
Geometrically safe	GeV	GKN-1
GKN-2	Glass dosimeter	Glove Box
Gonad dose	Gorleben	Gray
Ground radiation	GRS	GW
Gwe	Gy

H...

Hafnium	Half-life	Half-life, biological
Half-life, effective	Half-value thickness	Halogen-quench Geiger tube
Handling of radioactive substances	Harrisburg	HAW
HDR	Head-end	Heavy hydrogen
Heavy water	Heavy-water reactor	HEPA filter
Heterogeneous reactor	HFR	High-temperature reactor
Homogeneous reactor	Hot	Hot cell
Hot laboratory	Hot workshop	HTR
Hydrogen bomb	Hydrogen sulphide process	Hyperons . .

I..

IAEA	ICRP	ICRU
IK	ILL	Imission
Incident	Incident precautions	Incident probability analysis
Incident sequence analysis	Incident/accident levels	Incorporation
Indicator	Inert gas	INES
Informationskreis Kernenergie	Ingestion	Inhalation
Inherently safe	INIS	In-pile
Intake	Integrity under aircraft crash	Interaction
Interaction, strong	Interaction, weak	Interim storage facilities for fuel elements
Interim storage of spent fuel elements	Intermediate load power plant	International Commission on Radiological Protection
Intervention	Intervention threshold	Iodine filter
Ion	Ion dose	Ion exchanger
Ionization	Ionization chamber	Ionizing radiation
IPP	IRPA	Isobars
Isodose curve	Isomers	Isotones
Isotope	Isotope enrichment	Isotope exchange
Isotope laboratory	Isotope separation	Isotopic abundance
Isotopic abundance, natural	Isotopic dilution analysis	ITER

J...

K...

KBR	K-capture	KERMA
Kerntechnischer Hilfsdienst	Kerosene	keV
Key measurement point	KFÜ	KGR
KHG	Kilogram, effective	KKB
KKE	KKG	KKI-1
KKI-2	KKK	KKN
KKP-1	KKP-2	KKR
KKS	KKU	KKW-Nord
K-meson	KMK	KNK-II
Konrad	K-radiation	KRB-A
KRB-B	KRB-C	KTA
KTG	KWG	KWL
KWO	KWW

L...

Large-scale research facilities	LAW	LD₅₀
Leach rate	Lepton	LET
Lethal dose	Liability convention	Liability for nuclear facilities
Licensing procedure	Life time, mean	Light water reactor
Linac	Line losses	Linear accelerator
Linear amplifier	Linear energy transfer	Linear heat generation rate
Liquid scintillation counter	LMFBR	Load ranges of power plants
LOCA	Local dose	Long-lived radionuclides
Long-time dispersion factor	Loop	Lost concrete shielding
Lost energy	Low-temperature rectification	LSC
LWR

M...

µCi	30-millirem concept	Magnetic lens
Magnox	Magnox reactor	Maintenance
MAK	Manipulator	Marking
Mass deficiency	Mass number	Mass spectrograph, mass spectrometer
Mass, critical	Material balance area	Material, depleted
Material, enriched	Material, unaccounted for	MAW
Max Planck Institute for Plasma Physics	Maximum capacity	Maximum credible accident
MBA	MCA	MCI
Mechanical-draft cooling tower	Megawatt	Meson
MeV	Microcurie	Millicurie
Millirem	Mixed oxide	Mixer settler
Moderation	Moderator	Molecule
Monazite	Monitor	Monitoring area
Monte-Carlo Method	MOX	mrem
MTR	MUF	Mülheim-Kärlich
Multiple disaggregation	Multiple-channel analyse r	Multiplication factor
Muon	MW	MWd
MWd/t	MWe	MWth
MZFR

N...

Natural draught cooling tower	Natural uranium	nCi
NEA	Neutrino	Neutron
Neutron activation analysis	Neutron density	Neutron flux density
Neutron source	Neutron, fast	Neutron, intermediate
Neutron, slow	Neutrons, delayed	Neutrons, epithermal
Neutrons, prompt	Neutrons, thermal	Non-destructive testing
Non-energetic consumption	Non-proliferation Treaty	Normal operation and anticipated operational occurrences
NPP	NPT	NRC
NSSS	Nuclear chemistry	Nuclear energy
Nuclear event	Nuclear facility	Nuclear fission
Nuclear fuel	Nuclear fuel cycle	Nuclear fusion
Nuclear material monitoring	Nuclear materials	Nuclear medicine
Nuclear parent	Nuclear poison	Nuclear power plant
Nuclear power plants in Europe	Nuclear power plants in Germany	Nuclear power plants, world-wide
Nuclear power plants, world-wide, in order of electricity generation	Nuclear power plants, world-wide, reactor types	Nuclear reactor
Nuclear reactor telemonitoring system	Nucleon	Nucleus
Nuclide	Nuclide chart

O...

"Otto Hahn"	Off-gas treatment	Oklo
Open radioactive substances	Operating experience with nuclear power plants	Operating hours
Operating manual	Organ dose	Output, specific
Overheating

p...

2 pi-counter	4 pi-counter	Pair generation
Paris Convention	Partial body dose	Particle accelerator
Partition wall process	Party responsible for radiation protection	Peak load power plants
Pebble bed reactor	Pellet	Pen dosimeter
Period	Personal dose	Persons exposed to radiation in their work
Phosphate glass dosimeter	Photo-cathode	Photo-effect
Photon	PHWR	Pi meson
Pinch effect	Pion	Plasma
Plateau	Plutonium	Plutonium bomb
Poison	Poisoning	Pollux
Pool reactor	Positron	Power generation, Germany
Power generation, nuclear power plants in Germany	Power generation, nuclear power plants in Europe	Power generation, nuclear power plants world-wide
Power plant output in the Federal Republic of Germany	Power reactor	ppb
ppm	Pressure tube reactor	Pressure vesse l
Pressurized water reactor	Primary energy	Primary energy consumption, Germany
Primary energy reserves	Proliferation	Proportional counter
Proton	Pulsed column	Pulsed reactor
Pure element	PUREX	PUREX process
PWR

Q...

Quality assurance

R...

R	rad	Radiation
Radiation biology	Radiation chemistry	Radiation damage in human beings
Radiation damage, biological	Radiation damage, early symptoms	Radiation damage, physical-chemical
Radiation detector	Radiation effect in the case of very high whole-body irradiation	Radiation effect, stochastic
Radiation exposure, average in Germany	Radiation exposure, building material, Germany	Radiation exposure, civilization-related, Germany
Radiation exposure, comparability, natural/ civilization-related	Radiation exposure, cosmic	Radiation exposure, dose limits, Germany
Radiation exposure, medical, Germany	Radiation exposure, natural	Radiation exposure, nuclear power plants, Germany
Radiation exposure, occupational, Germany	Radiation exposure, power plants	Radiation exposure, terrestrial
Radiation hygiene	Radiation medicine	Radiation physics
Radiation protection	Radiation protection areas	Radiation protection officer
Radiation syndrome	Radiation weighting factors	Radiation, characteristic
Radiation-exposed persons	Radio diagnostics	Radio iodine
Radioactive isotope	Radioactive substances	Radioactivity
Radioactivity, induced	Radioactivity, natural	Radiocarbon
Radiochemistry	Radioecology	Radio-element
Radiogram	Radiography	Radioisotope generator
Radiology	Radiolysis	Radionuclide
Radionuclides, cosmogenic	Radionuclides, primordial	Radio-photoluminescence
Radioscopy	Radiotherapy	Radiotoxicity
Radium	Radon	Range, medium free
Rasmussen report	Ratemeter	RBMK
RBW	rd	RDB
Reactivity	Reactor	Reactor control
Reactor coolant	Reactor coolant circuit	Reactor pressure vessel
Reactor protection system	Reactor risk study	Reactor Safety Commission
Reactor time constant	Reactor types, world-wide	Reactor, fast
Reactor, gas-cooled	Reactor, thermal	Receiving point
Recording threshold	Redundancy	Reference nuclide
Reference threshold	Reflector	Relative biological effect
rem	Reprocessing	Reprocessing Plant Karlsruhe
Reprocessing plants, world-wide	Research reactor	Residual risk
Residual heat	Resistance to leaching	Rest energy
Rest mass	Risk	Risk study
roentgen	Rupture protection

S...

Safeguard	Safety barriers	Safety report
Saturated steam	Scattering	Scattering, inelastic
Scintillation counter	Scintillator	Scram
Secondary coolant	Secondary cooling system	Secondary energy
Seismic qualification	Self-absorption	Self-heating
Sellafield	Semi-conductor counter	Separating plant
Separation factor	Separation nozzle process	Separative work
Shield, biological	Shield, thermal	Shielding
Shim rod	Shipper/receiver difference	Short-lived radionuclides
Short-time dispersion	Shutdown reactivity	Shutdown rod
Sievert	Single failure	Skin dose
Skyshine	SNR-300	Soft tissue
Solidification	Solvent extraction	Source material
Spallation	Spark chamber	Spin
SSK	State collecting facilities	State, excited
Steam bubble coefficient	Stellarator	Stochastic radiation effect
Storage ring	Subcritical arrangement	Subcritical mass
Suitable for ultimate waste disposal	Supercritical arrangement	Supercritical reactor
Superheated steam	SUR-100	SVA
Synchro-cyclotron	Synchrotron

T...

Tail-end	Tandem accelerator	Target
TBP	TEG	Temperature coefficient of reactivity
Terrestrial radiation	Thermal breeding reactor	Thermal column
Thermionic conversion	Thermoluminescence dosimeter	Thermonuclear reaction
THORP	Three Mile Island	Threshold detector
Threshold dose	THTR-300	Time-of-flight analyzer
Tissue equivalent	Tissue weighting factor	TLD
Tokamak	Traceability limit	Tracer
Transients	Transmutation	Transport of radioactive substances
Transuranium element	Tributyl phosphate	TRIGA
Trip	Tritium	Triton

U..

Ultimate waste disposal	Ultimate waste disposal, direct	Ultimate waste disposal, Germany
UNSCEAR	Uranium	Uranium hexafluoride (UF₆)
Uranium mining, global	Uranium resources	Uranium separative work
Uranium, depleted	Uranium, enriched	Uranyl nitrate
Useful energy	UTA	Utilization ratio

V...

VAK	Van de Graaff generator	VBA
VEK	Vitrification	Vitrification plant Karlsruhe
Void effect

W..

WAK	Waste heat	Waste management
Waste processing	Waste water path	Waste, radioactive
Waste, radioactive, classification	Waste, radioactive, from nuclear power plants	Waste, radioactive, volume
Waste, radioactive, volume reduction	Weighting factor	Wet cooling tower
Wet steam	Wet storage	Whole-body dose
Wigner effect	Wigner energy	Wipe test

X...

Xenon poisoning

X-ray treatment

Y...

Z...

Zero power reactor

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