Word Study
positron
WORDNET DICTIONARY
Noun positron has 1 sense
- positron(n = noun.object) antielectron - an elementary particle with positive charge; interaction of a positron and an electron results in annihilation; Array is a kind of antilepton
OXFORD DICTIONARY
positron, n. Physics an elementary particle with a positive charge equal to the negative charge of an electron and having the same mass as an electron.
Etymology
POSITIVE + -TRON
For further exploring for "positron" in Webster Dictionary Online
