annihilation radiation

noun

Definition of annihilation radiation

: radiation produced by the mutually annihilating coalescence of a particle and its antiparticle from which two radiation quanta travel in opposite directions with a wavelength corresponding to that of very short gamma rays, being approximately 0.024 angstrom

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First Known Use of annihilation radiation

1935, in the meaning defined above

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Time Traveler for annihilation radiation

Time Traveler

The first known use of annihilation radiation was in 1935

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Dictionary Entries Near annihilation radiation

annihilationist

annihilation radiation

annihilative

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Statistics for annihilation radiation

Cite this Entry

“Annihilation radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/annihilation%20radiation. Accessed 30 Nov. 2021.

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