Search Result for "proton": 
Wordnet 3.0

NOUN (1)

1. a stable particle with positive charge equal to the negative charge of an electron;


WordNet (r) 3.0 (2006):

proton n 1: a stable particle with positive charge equal to the negative charge of an electron
The Free On-line Dictionary of Computing (19 January 2023):

PROTON 1. A home computer made by Acorn Computers under a contract won from the BBC in April 1981. [Details?] 2. Something to do with Microsoft SoftLib? (1994-11-28)