particle

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particle

 [pahr´tĭ-k'l]
an extremely small mass of material.
alpha p's see alpha particles.
beta p's see beta particles.
Dane particle an intact hepatitis B virion.
elementary particle any of the subatomic particles, including electrons, protons, neutrons, positrons, neutrinos, and muons.

par·ti·cle

(par'ti-kĕl),
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]

particle

/par·ti·cle/ (pahr´tĭ-k'l) a tiny mass of material.
Dane particle  an intact hepatitis B viral particle.
elementary particles of mitochondria  numerous minute, club-shaped granules with spherical heads attached to the inner membrane of a mitochondrion.
viral particle , virus particle virion.

particle

[pär′tikəl]
Etymology: L, particula, small part
1 any fundamental unit of matter.
2 a minute fragment or speck.

par·ti·cle

(pahr'ti-kĕl)
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]

par·ti·cle

(pahr'ti-kĕl)
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]

particle

an extremely small mass of material. See also alpha particles and beta particle.

elementary particle
any of the subatomic particles, including electrons, protons, neutrons, positrons, neutrinos and muons.
References in periodicals archive ?
The instantaneous connection between two subatomic particles separated by big distances, in Bohm's version of quantum mechanics, is explained by quantum potential.
Subatomic particles like protons and electrons gain mass by interacting with this field, but it's still not clear why certain kinds of particles interact differently, resulting in different masses.
The basic theory of the Higgs boson is the simplest way to account for the masses of subatomic particles.
Because these cartoonish sketches seemed to depict subatomic particles breaking the established rules of quantum physics, many eminent physicists were initially reluctant to adopt them.
Most onlookers reckoned that the pictures decorating the 1975 Dodge Tradesman Maxivan were some sort of Native American designs, Michelle Feynman recalls, not the innovative depictions of subatomic particles that had helped her father win a share of the 1965 Nobel Prize in Physics.
In the past 2 years, evidence has quickly mounted for the existence of pentaquarks, never-before-seen subatomic particles theoretically composed of five quarks or antiquarks, which are fundamental constituents of matter.
The most popular idea among astronomers is that it is composed of subatomic particles with exotic properties.
He developed a design for a detector that would be capable of determining, with unprecedented accuracy, the speed and mass of subatomic particles emerging from high-energy atomic collisions.