gamma radiation

British  

noun

1. electromagnetic radiation emitted by atomic nuclei; the wavelength is generally in the range 1 × 10 ^–10 to 2 × 10 ^–13 metres

2. electromagnetic radiation of very short wavelength emitted by any source, esp the portion of the electromagnetic spectrum with a wavelength less than about 1 × 10 ^–11 metres

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gamma radiation Cultural  

1. The most energetic radiation in the electromagnetic spectrum; it has the lowest wavelength and the highest frequency in the spectrum. Gamma rays are sent out by some radioactive nuclei. Unlike alpha radiation and beta radiation, gamma rays are not made up of particles, and they have no charge.

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Example Sentences

See Examples For:

gamma radiation

The frozen samples were placed in a gamma radiation chamber at Penn State's Radiation Science and Engineering Center.

From Science Daily ● Feb. 25, 2026

Meanwhile, the city of Berkeley is working toward examining its own survey for gamma radiation at Cesar Chavez Park, which was built atop the former municipal landfill.

From Los Angeles Times ● Dec. 2, 2024

"You know it emits gamma radiation so the obvious thing is to comb the side of the road looking for something with a strong gamma signal... and sure enough that's exactly where they found it."

From BBC ● Feb. 1, 2023

For example, its scientists have consistently relied upon simulations rather than direct values of background gamma radiation, the simplest of the measurements one can make.

From Scientific American ● Apr. 4, 2022

“The only thing I can advise, boy, is that if you detect the gamma radiation between yourself and the man, you may as well sit where you are.”

From "I, Robot" by Isaac Asimov