- The definition of a particle is a very small amount of something.
An example of a particle is a speck of dust.
particle definition by Webster's New World
- an extremely small piece; tiny fragment: a dust particle
- the slightest trace; speck: not a particle of truth
- Archaic a clause or article in a document
- a short, usually uninflected and invariable part of speech used to express a syntactic or semantic relationship, as an article or any of certain prepositions, conjunctions, or interjections
- a prefix or derivational suffix
- Physics elementary particle
- R.C.Ch. a small piece of the consecrated Host or any of the small Hosts given to lay communicants
Origin: Middle English partycle ; from Middle French particule ; from Classical Latin particula, diminutive of pars, part
particle definition by American Heritage Dictionary
- A very small piece or part; a tiny portion or speck.
- A very small or the smallest possible amount, trace, or degree: not a particle of doubt.
- Physics a. A body whose spatial extent and internal motion and structure, if any, are irrelevant in a specific problem.b. An elementary particle.c. A subatomic particle. See Table at subatomic particle.
- Linguistics a. An uninflected item that has grammatical function but does not clearly belong to one of the major parts of speech, such as up in He looked up the word or to in English infinitives.b. In some systems of grammatical analysis, any of various short function words, including articles, prepositions, and conjunctions.
- Roman Catholic Church a. A small piece of a consecrated host.b. One of the smaller, individual hosts.
- Archaic A small division or section of something written, such as a clause of a document.
Origin: Middle English, from Latin particula, diminutive of pars, part-, part; see part.
particle - Medical Definition
- A very small piece or part.
- An elementary particle.
- A subatomic particle.
particle - Science Definition
- A very small piece of solid matter.
- An elementary particle, subatomic particle, or atomic nucleus. Also called corpuscle.