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1. Oxford American Dictionary

   particle

   • IPA[ˈpärdək(ə)l]

   美式

   • n.
     a minute portion of matter；any of numerous subatomic constituents of the physical world that interact with each other, including electrons, neutrinos, photons, and alpha particles.

   • noun: particle, plural noun: particles

2. • 釋義

   n.

   名詞

   • 1. a minute portion of matter tiny particles of dust 同義詞 bit, tiny bit, piece, tiny piece, speck, ... 更多spot, fleck, dot, atom, molecule, mote, fragment, sliver, splinter
   • ▪ any of numerous subatomic constituents of the physical world that interact with each other, including electrons, neutrinos, photons, and alpha particles.
   • ▪ a hypothetical object having mass but no physical size.
   • 2. the least possible amount he agrees without hearing the least particle of evidence 同義詞 iota, jot, whit, bit, scrap, ... 更多shred, crumb, morsel, mite, atom, drop, hint, touch, trace, suggestion, whisper, suspicion, scintilla, grain, tittle, jot or tittle, any, stim, informalsmidgen, smidge, tad, archaicscantling, scruple
   • 3. (in English) any of the class of words such as in, up, off, over, used with verbs to make phrasal verbs.
   • ▪ (in ancient Greek) any of a class of words used for contrast and emphasis, such as de and ge.