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  1. Oxford American Dictionary

    particle

    • IPA[ˈpärdək(ə)l]

    美式

    • n.
      a minute portion of matter；the least possible amount

    • noun: particle, plural noun: particles

    • 釋義
    • 相關詞

    名詞

    • 1. a minute portion of matter tiny particles of dust
    • ▪ the least possible amount he agrees without hearing the least particle of evidence
    • ▪ another term for subatomic particle
    • ▪ a hypothetical object having mass but no physical size.
    • 2. (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 the class of words such as de and ge, used for contrast and emphasis.

    subatomic particle

    • n.
      a particle smaller than an atom (e.g., a neutron) or a cluster of such particles (e.g., an ...

    Oxford Dictionary

    fundamental particle

    • n.
      another term for elementary particle

    Oxford American Dictionary

    beta particle

    • n.
      a fast-moving electron emitted by radioactive decay of substances. (The emission of beta ...

    Oxford American Dictionary

    strange particle

    • n.
      a subatomic particle classified as having a non-zero value for strangeness.

    Oxford Dictionary

    fundamental particle

    • n.
      see particle

    Oxford Dictionary

    particle accelerator

    • n.
      an apparatus for accelerating subatomic particles to high velocities by means of electric or ...

    Oxford American Dictionary

    beta particle

    • n.
      a fast-moving electron emitted by radioactive decay of substances (originally regarded as rays).

    Oxford Dictionary

    particle beam

    • n.
      a concentrated stream of subatomic particles, generated in order to cause collisions between ...

    Oxford American Dictionary

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    particle

    • IPA[ˈpɑːtɪk(ə)l]

    英式

    • n.
      a minute portion of matter: tiny particles of dust

    Oxford Dictionary