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noun, Chemistry.
any component of an atom.


Read Also:

  • Subatomic

    adjective, Physics. 1. of or relating to a process that occurs within an atom. 2. noting or pertaining to a particle or particles contained in an atom, as electrons, protons, or neutrons. adjective 1. of, relating to, or being a particle making up an atom or a process occurring within atoms: the electron is a […]

  • Subatomic particle

    subatomic particle n. Any of various units of matter below the size of an atom, including the elementary particles and hadrons. subatomic particle (sŭb’ə-tŏm’ĭk) Any of various particles of matter that are smaller than a hydrogen atom. Protons, neutrons, and electrons are subatomic particles, as are all hadrons and leptons. See also composite particle, elementary […]

  • Subatomic particles

    subatomic particles definition See elementary particles.

  • Sub-attorney

    noun, plural attorneys. 1. a lawyer; attorney-at-law. 2. an attorney-in-fact; agent. noun 1. a person legally appointed or empowered to act for another 2. (US) a lawyer qualified to represent clients in legal proceedings 3. (South African) a solicitor

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