- one of the extremely small constituents of matter, as an atom or nucleus.
- an elementary particle, quark, or gluon.
- a body in which the internal motion is negligible.
- (in some languages) one of the major form classes, or parts of speech, consisting of words that are neither nouns nor verbs, or of all uninflected words, or the like.
- such a word.
- a small word of functional or relational use, as an article, preposition, or conjunction, whether of a separate form class or not.
Origin of particle
Synonyms for particle
Word Origin for particle
late 14c., "small part or division of a whole, minute portion of matter," from Latin particula "little bit or part, grain, jot," diminutive of pars (genitive partis) "part;" see part (n.). Particle physics attested from 1969. In construction, particle board (1957) is so called because it is made from chips and shavings of wood.