Secondary radiation

Secondary radiation

Radiation originating as the result of absorption of other radiation in matter. It may be either electromagnetic or particulate in nature.

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Part of Speech: noun
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Industry/Domain: Energy
Category: Nuclear energy
Company: U.S. NRC
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Related terms

secondary radiation

Energy; Nuclear energy

Radiation originating as the result of absorption of other radiation in matter. It may be either electromagnetic or particulate in nature.

secondary radiation

Telecommunications; General telecom

Particles or radiation, such as photons, Compton recoil electrons, delta rays, secondary cosmic rays, and secondary electrons, that are produced by the action of primary radiation ...

secondary radiation

Medical devices; Radiology equipment

Ionizing radiation emitted by matter as a result of interaction with primary radiation. The sources of secondary radiation in the treatment room include leakage from the treatment ...

secondary radiation

Environment; Radiation hazards

Radiation originating as the result of absorption of other radiation in matter. It may be either electromagnetic (e.g. Bremstrahlung from 32P betas passing through lead) or ...

secondary radiation

Environment; Environment statistics

Radiation originating from the absorption of previous radiation in matter. It may be in the form either of electromagnetic waves or of moving particles.

Secondary

Mining; General mining; Mineral mining

A term applied in the early 19th century as a syn. of Floetz. It was later applied to the extensive series of stratified rocks separating the older Primary and the younger ...

alpha particle

Energy; Nuclear energy

A positively charged particle ejected spontaneously from the nuclei of some radioactive elements. It is identical to a helium nucleus that has a mass number of 4 and an ...

attenuation

Energy; Nuclear energy

The process by which the number of particles or photons entering a body of matter is reduced by absorption and scattered radiation.

binding energy

Energy; Nuclear energy

The minimum energy required to separate the nucleus of an atom into its component neutrons and protons.

chain reaction

Energy; Nuclear energy

A reaction that initiates its own repetition. In a fission chain reaction, a fissionable nucleus absorbs a neutron and fissions spontaneously, releasing additional neutrons. ...

condenser

Energy; Nuclear energy

A large heat exchanger designed to cool exhaust steam from a turbine below the boiling point so that it can be returned to the heat source as water. In a pressurized-water ...

annual limit on intake (ALI)

Energy; Nuclear energy

As defined in Title 10, Section 20.1003, of the Code of Federal Regulations (10 CFR 20.1003), ALI is the derived limit for the amount of radioactive material taken into the body ...