|1.||an extremely small piece of matter; speck|
|2.||a very tiny amount; iota: it doesn't make a particle of difference|
|3.||a function word, esp (in certain languages) a word belonging to an uninflected class having suprasegmental or grammatical function: the Greek particles ``mēn'' and ``de'' are used to express contrast; questions in Japanese are indicated by the particle ``ka''; English ``up'' is sometimes regarded as an adverbial particle|
|4.||a common affix, such as re-, un-, or -ness|
|5.||physics a body with finite mass that can be treated as having negligible size, and internal structure|
|6.||See elementary particle|
|7.||RC Church a small piece broken off from the Host at Mass|
|8.||archaic a section or clause of a document|
|[C14: from Latin particula a small part, from pars|
particle par·ti·cle (pär'tĭ-kəl)
A very small piece or part.
An elementary particle.
A subatomic particle.
|particle (pär'tĭ-kəl) Pronunciation Key