noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An energetic electron or positron produced as the result of a nuclear reaction or nuclear decay. particle
2. 2
   a high-speed electron or positron emitted in the decay of a radioactive isotope wordnet

Synonyms

All synonyms

alpha particleantibaryonantileptonantimesonatomic nucleusatomic particle