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Definitions of molecule
  1. noun
    (nontechnical usage) a tiny piece of anything
    type of:
  2. noun
    (physics and chemistry) the simplest structural unit of an element or compound
    type of:
Parts of molecule
  • "atom"
  • "group"
  • "chemical group"
  • "chemical chain"
  • "radical"
  • "chain"
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