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polyatomic

[ pol-ee-uh-tom-ik ]

adjective

, Chemistry.
  1. pertaining to a molecule containing more than two atoms.

polyatomic

/ ˌpɒlɪəˈtɒmɪk /

adjective

  1. (of a molecule) containing more than two atoms

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Word History and Origins

Origin of polyatomic1

First recorded in 1855–60; poly- + atomic

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polyarticularpoly bag

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