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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)
Particle definition: a minute portion, piece, fragment, or amount; a tiny or very small bit. See examples of PARTICLE used in a sentence.
In the physical sciences, a particle (or corpuscule in older texts) is a small localized object which can be described by several physical or chemical properties, such as volume, density, or mass.
an extremely small piece of something such as dust, dirt, or sand: Dust particles must have got into the motor. If feels as though particles of sand are scratching the surface of your eyes. smoke particles. [ C ] physics specialized. an extremely small piece of matter, that together with others makes up an atom : Electrons are atomic particles.
an extremely small piece of matter, that together with others makes up an atom : Electrons are atomic particles. [ S ] a very small amount of something: She wouldn't give me even the slightest particle of information about what she'd been doing. SMART Vocabulary: related words and phrases.
A particle is a small piece of anything. Particle can also refer to a subatomic particle with mass and structure, but takes up hardly any space at all. Particles are tiny.
PARTICLE meaning: 1. a very small piece of something: 2. a very small part of an atom, for example an electron or a…. Learn more.
a : a very small piece of something. fine particles of sand. food particles. b : a very small amount of something. There is not a particle of evidence to support their claim. There is not a particle of truth in what he said. 2. physics : any one of the very small parts of matter (such as a molecule, atom, or electron) subatomic particles. 3.
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 (as a molecule, atom, proton, electron, or photon) 4.
n. 1. A very small piece or part; a tiny portion or speck. 2. A very small or the smallest possible amount, trace, or degree: not a particle of doubt. 3. Physics. a. A body whose spatial extent and internal motion and structure, if any, are irrelevant in a specific problem.