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WORDNET DICTIONARY
CIDE DICTIONARY
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WORDNET DICTIONARY
Noun pair production has 1 sense
- pair production(n = noun.process) pair creation, pair formation - the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus; is a kind of action, activity, natural action, natural process
CIDE DICTIONARY
pair production,
The simultaneous creation of a particle and its antiparticle, such as an electron and positron, from a photon; -- usually due to its interaction with the strong field near a nucleus. [PJC]