particle ذره، پارول 1) , 2) zarré (#), 1), 2), 3) pârul Fr.: particule A unit of → matter smaller than the
→ atom or its main components. The term particle also includes any (currently hypothetical) new particles
that might be discovered, such as the supersymmetric partners of the
→ quarks and → leptons
and → bosons.
Mechanics: A material body (a body possessing mass) the size of which can be
neglected in investigating its motion.
Grammar: In some languages, a word that has a grammatical function but
does not fit into the main parts of speech (i.e. → noun,
→ verb, → adverb,
→ preposition). For example, in English, off, on, out,
and up in call off, pass on, rule out, and grow up,
respectively.
See also: → alpha particle,
→ antiparticle,
→ astroparticle physics,
→ beta particle,
→ charged particle,
→ elementary particle,
→ energetic solar particle,
→ exchange particle,
→ Lagrangian particle,
→ nanoparticle,
→ particle horizon,
→ particle nature,
→ particle physics,
→ relativistic particle,
→ resonance particle,
→ sink particle,
→ Smoothed Particle Hydrodynamics,
→ strange particle,
→ subatomic particle,
→ test particle,
→ virtual particle,
→ wave-particle duality. Etymology (EN): From L. particula “little bit or part,” diminutive of pars (genitive
partis), from PIE base *per- “to assign, allot;”
cf. Mid.Pers. pârag “gift, offering, bribe;” Mod.Pers. pâreh “gift”
(→ partial);
Gk. porein “to provide, give, grant,” peprotai “it has been granted;”
Skt. purtá- “gift, pay, reward.” Etymology (PE): Zarré, from Ar. dharrat “particle.” Pârul, from pâr, → part, +
-ul, → -ule. |