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 The process creates particles that can eventually crystallize into diamonds. Eva Roytburg, Fortune Europe, 4 June 2024 The tiniest particles can leach into the bloodstream and cause systemic inflammation. Linda Carroll, TIME, 30 May 2024 Pulses this short give scientists the ability to take snapshots of subatomic particles in the wild. IEEE Spectrum, 28 May 2024 Additionally, the Lung Institute highlights that salt particles in the air can have a therapeutic effect on the respiratory system, reducing uncomfortable symptoms like congestion and sinus pressure. Allison Palmer, Charlotte Observer, 28 May 2024 See all Example Sentences for particle 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'particle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 14 Jun. 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!