A
A1
A2
abnormal operation
absorbed dose
acceptance criteria
access control
access delay
accident precursor
accident
action level
activation
active component
active safety
activity concentration
activity
actual consequences
actuated device
actuated equipment
acute exposure
acute intake
acute radiation syndrome (ARS)
additional factors
additional protocol
advection
adversary
aerodynamic dispersion
ageing degradation
ageing management
ageing
air kerma
aircraft
ALARA (as low as reasonably achievable)
alert
ambient dose equivalent
annual dose
annual limit on exposure (ALE)
annual limit on intake (ALI)
annual risk
anticipated operational occurrence
anticipated transient without scram (ATWS)
applicant
approval
area monitoring
area occupancy factor
Area
assessment
assisted operation
associated activity
associated facility
atomic number
attack
attenuation
attributable risk
authorization
authorized facilities
authorized limit
availability
averted dose
B
C
C-arm
calibration
canister (can)
capable fault
carrier
cent
central alarm station (CAS)
chain of custody
characterization of waste
chronic intake
cladding
clearance level
clearance
clinical target volume (CTV)
closed nuclear fuel cycle
closure
cloud shine
collimator
commercial irradiator
commissioning
committed dose
common cause failure
competent authority
complementary access
compliance assurance
component
comprehensive safeguards agreement (CSA)
compromise
computed tomography (CT scan)
computer security incident
computer security
condition monitoring
conditioning
confidentiality
confinement system
confinement
consignee
consignment
consignor
constraint
construction
consumer product
containment system
containment
contamination
contingency plan
controlled area
conventional fluoroscopy
conveyance
core components
corrective maintenance
countermeasure
crime scene
criteria
critical assembly
critical organ
criticality accident
criticality safety index (CSI)
criticality
CT Simulator
Cyclotron
non-fixed contamination
‘cradle to grave’ approach
D
dangerous source
decommissioning plan
decommissioning
defence in depth
defined deck area
delay
delayed criticality
depleted uranium
derived air concentration (DAC)
design basis threat
design basis
design extension conditions
design information questionnaire (DIQ)
design
detection instrument
detection measure
detection
deterministic analysis
deterministic effect
deterrence
deuterium
deuteron
diagnostic reference level
diffusion
discharge
dismantling
dispersal
dispersion
disposal facility
disposal
disused sealed source
disused source
diversity
dollar
dose assessment
dose constraint
dose limit
dose rate
dose
drawdown
driven equipment
dry storage
E
early effect
early protective action
early response phase
effective dose
effective half-life
effective kilogram
effusive eruption
electron accelerator
emergency action level (EAL)
emergency arrangements
emergency class
emergency classification
emergency exposure situation
emergency plan
emergency planning distance
emergency planning zone
emergency preparedness
emergency procedures
emergency response action
emergency response commander
emergency response facility or location
emergency response phase
emergency response
emergency services
emergency worker
emergency
employer
end state
energy fluence
enforcement
enriched uranium
entombment
environmental doses
environmental monitoring
epistemic uncertainty
equilibrium factor
equivalent dose
evacuation
event
excess risk
excluded exposure
exclusive use
exempt waste
exemption level
existing exposure situation
exposure pathways
exposure
extended planning distance (EPD)
external event
external exposure
F
facilities and activities
facility emergency
fallout
false alarm
first responders
fissile material
fissile nuclides
fission fragment
fissionable material
fissionable nuclides
fixed contamination
fluence
fluoroscopy
force-on-force exercise
freight container
fresh fuel
front line system
fuel assembly
fuel element
fuel; nuclear fuel
functional isolation
G
H
I
IAEA Board of Governors
ICRU sphere
imaging devices
immediate dismantling
immobilization
improvised nuclear device (IND)
in-service inspection
incident
independent equipment
individual monitoring; personal monitoring
information alert
information object
information security
ingestion and commodities planning distance (ICPD)
inhalation
initiating event
initiator
inner cordoned off area
innocent alarm
insider
inspection imaging device
inspection
institutional control
instrument alarm
intake
integrated management system
integrity
interacting event
interested party
interlock
intermediate bulk container (IBC)
intermediate level waste (ILW)
internal exposure
intervention
investigation level
iodine thyroid blocking
irradiation installation
irregularity
isolation
item important to safety
L
large freight container
large release of radioactive material
late effect
leakage radiation
licence
lifetime dose
lifetime risk
light water reactor
light water
linear accelerator (Linac)
linear energy transfer (LET), L∆
location outside facilities (LOF)
long lived waste
low dispersible radioactive material
low enriched uranium (LEU)
low level waste (LLW)
low specific activity (LSA) material
low toxicity alpha emitters
lung absorption type
M
maintenance bypass
maintenance
major public event
malicious act
mammography
management (of sealed radioactive sources)
management system
material balance area (MBA)
maximum normal operating pressure
medical exposure
medical radiation facility
medical radiological equipment
member of the public
Micro Modular Reactor (MMR)
minimum detectable activity (MDA)
minimum significant activity (MSA)
mitigatory action
mitigatory
model additional protocol
moderator
multibarrier
multilateral approval
multiplexing
multiplication factor (keff)
N
Nano Modular Reactor (NMR)
natural exposure
natural uranium
naturally occurring radioactive material (NORM)
near surface disposal facility
need to hold
need to know
neutron generator
neutron
noble gas
non-physical ageing
non-radiological consequences
NORM residue
normal exposure
notification point
nuclear facility
nuclear forensics, nuclear forensic science
nuclear fuel cycle
nuclear gauges
nuclear installation
nuclear material accountancy
nuclear material
nuclear security event
nuclear security measures
nuclear security regime
nuclear security system
nuclear security threat
nuclear security
nuclide
O
occupancy factor
occupational exposure
operability of a safety function
operability of equipment
operating area
operating organization
operating personnel; operating personal
operational bypass
operational criteria
operational intervention level (OIL)
operational limits and conditions (OL&C)
operator
orphan source
other radioactive material
out of regulatory control
outsider
overpack
P
package
packaging
palaeoseismicity
particle accelerators
particle fluence
passive component
passive safety
peak ground acceleration (PGA)
personal protective equipment (PPE)
phreatic eruption
physical barrier
physical inventory taking
physical inventory
physical protection measures
physical protection system
physical protection
planned exposure situation
planning target volume (PTV)
poison
positron
postulated initiating event (PIE)
potential alpha energy
potential exposure
power reactor
practice
precautionary action zone (PAZ)
primary limit
probabilistic safety assessment (PSA)
procedure
projected dose
protection and safety
protection of the environment
protection quantities
protection system
proton
public exposure
R
radiation detriment
radiation exposure device (RED)
radiation generator
radiation level
radiation protection programme
radiation source
radiation weighting factor
radioactive contents
radioactive discharges
radioactive effluent
radioactive equilibrium
radioactive material
radioactive source
radioactive tracer
radiograph
radiography
radiological barriers
radiological crime scene
radiological dispersal device (RDD)
radiological procedure
radiological
radionuclide generator
radiopharmacist
radiotherapy
RBE weighted absorbed dose (ADT)
redundancy
reference level
regulatory body
regulatory control
relative biological effectiveness (RBE)
relative risk
release
reliability
relocation
remedial action
remediation
representative person
reprocessing
residual heat
response force
response measure
response organization
response spectrum
response system
response
risk assessment
risk coefficient
risk constraint
risk
runup
S
radiation warning symbol
sabotage
safety actuation system
safety alarm threshold value
safety alarm
safety assessment
safety case
safety culture
safety feature
safety function
safety interlock
safety layers
safety provisions
safety related item
safety related system
safety system
scenario
scintillation detector
scram
screening distance value (SDV)
screening probability level (SPL)
secondary radiation
security plan
segregation
seimotectonic model
self-assessment
self-shielding
sensitive information assets
sensitive information
severe accident
shipment
short lived waste
single failure criterion
single failure
site area
site boundary
site confirmation (in the siting process for a disposal facility)
site evaluation
site selection
site survey
siting
skyshine
small freight container
Small Modular Reactor (SMR)
somatic effect
source term
special arrangement
special form radioactive material
specific activity
spent fuel management
spent fuel
stable isotope
stand-off attack
standards dosimetry laboratory
state of destination
state of origin
state of transit
stochastic analysis
stochastic effect
storage
strategic location
structure
sub-seabed disposal
supervised area
supplier
surface contaminated object (SCO)
surface faulting
surveillance
system code validation
system code verification
system code
system
T
tailings
tamper-indicating device
tank
target
teletherapy
thorium series
threat assessment
threat beyond the DBT
threat statement
threat type 1 (TT-1)
threat type 2 (TT-2)
threat
threshold dose
tissue equivalent material
tissue weighting factor
tomography
Tomotherapy
transient population group
transnational emergency
transport index (TI)
trip, reactor
tritium
two-person rule