英语词汇“annihilation radiation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	annihilation radiation
释义	annihilation radiation noun Physics. electromagnetic radiation produced by the coalescence and mutual annihilation of an atomic particle and its antiparticle, generally a positron and an electron, each pair forming two photons having a minimum energy of 0.5 million electron volts each. Origin of annihilation radiation First recorded in 1960–65 Words nearby annihilation radiation Annie Oakley, Annigoni, annihilable, annihilate, annihilation, annihilation radiation, annihilator, Anniston, anniv., anniversary, anniversary day Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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annihilation radiation