particle

noun

par·​ti·​cle ˈpär-ti-kəl How to pronounce particle (audio)
1
a
: a minute quantity or fragment
b
: a relatively small or the smallest discrete portion or amount of something
2
archaic : a clause or article of a composition or document
3
: any of the basic units of matter and energy (such as a molecule, atom, proton, electron, or photon)
4
: 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
5
: a small eucharistic wafer distributed to a Roman Catholic layman at Communion

Examples of particle in a Sentence

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.”
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Conventional metal satellites create aluminum oxide particles during re-entry, but wooden ones would just burn up with less pollution, Doi said. Reuters, CNN, 5 Nov. 2024 Conventional metal satellites create aluminum oxide particles during re-entry, but wooden ones would burn up with less pollution, Doi said. Reuters, NBC News, 5 Nov. 2024 Steel Nomad's regular and Light subtests focus on APIs more commonly used for game development, like Metal and DirectX 12, to assess gaming geometry and particle effects. Matthew Buzzi, PCMAG, 2 Nov. 2024 Diesel engines also produce higher levels of fine particle pollution, known as PM 2.5, that has been linked to many human health risks. Michael Leamy, Discover Magazine, 2 Nov. 2024 See all Example Sentences for particle 

Word History

Etymology

Middle English, from Latin particula, from diminutive of part-, pars

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of particle was in the 14th century

Dictionary Entries Near particle

Cite this Entry

“Particle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/particle. Accessed 22 Nov. 2024.

Kids Definition

particle

noun
par·​ti·​cle ˈpärt-i-kəl How to pronounce particle (audio)
1
: one of the very small parts of matter (as a molecule, atom, or electron)
2
: a very small quantity or piece
3
: the smallest possible portion

Medical Definition

particle

noun
par·​ti·​cle ˈpärt-i-kəl How to pronounce particle (audio)
1
: one of the minute subdivisions of matter (as an atom or molecule)
2
: a minute quantity or fragment

More from Merriam-Webster on particle

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!