ANTIPARTICLE
antiparticle
(noun) a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy
Source: WordNet® 3.1
Etymology
Noun
antiparticle (plural antiparticles)
(particle) A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another.
Usage notes
• The symbol for an antiparticle is the symbol for the normal particle plus "bar" (e.g. pbar) or with a bar above the symbol.
Source: Wiktionary
Recent Word Finds
Word of the Day
18 May 2025
OBLIQUE
(adjective) slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; “the oblique rays of the winter sun”; “acute and obtuse angles are oblique angles”; “the axis of an oblique cone is not perpendicular to its base”
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