Meaning & use

gamma

noun·Academic

Last updated

The third letter of the Greek alphabet, also used to denote a type of high-energy electromagnetic radiation.

See it in a sentence

Physicists measured the gamma radiation emitted by the decaying isotope.

The fraternity's name begins with the letter gamma.

A note on using this word

Gamma rays, named after this letter, are the most energetic form of electromagnetic radiation and are used in both medicine and astronomy.

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