Definition of particle
- the particle up has a perfective meaning in phrases such as beat up and cut up
There is not a particle of evidence to support their claim.
There is not a particle of truth in what he said.
The phrasal verb “look up” consists of the verb “look” and the adverbial particle “up.”
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'particle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
: 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)
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