noun \ˈpär-ti-kəl\

: a very small piece of something

: a very small amount of something

physics : any one of the very small parts of matter (such as a molecule, atom, or electron)

Full Definition of PARTICLE

a :  a minute quantity or fragment
b :  a relatively small or the smallest discrete portion or amount of something
archaic :  a clause or article of a composition or document
:  any of the basic units of matter and energy (as a molecule, atom, proton, electron, or photon)
:  a unit of speech expressing some general aspect of meaning or some connective or limiting relation and including the articles, most prepositions and conjunctions, and some interjections and adverbs <the particle up has a perfective meaning in phrases such as beat up and cut up>
:  a small eucharistic wafer distributed to a Roman Catholic layman at Communion

Examples of PARTICLE

  1. There is not a particle of evidence to support their claim.
  2. There is not a particle of truth in what he said.
  3. The phrasal verb look up consists of the verb look and the adverbial particle up.

Origin of PARTICLE

Middle English, from Latin particula, from diminutive of part-, pars
First Known Use: 14th century

Rhymes with PARTICLE


noun \ˈpärt-i-kəl\   (Medical Dictionary)

Medical Definition of PARTICLE

: one of the minute subdivisions of matter (as an atom or molecule); also : elementary particle
: a minute quantity or fragment


Next Word in the Dictionary: particle accelerator
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