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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The smallest particle of a substance that can exist alone without losing its chemical form.

Usage examples (39)
  • Quaint Victorian chemistry gives us an image of one oxygen and two hydrogen atoms in a fixed molecule that bounces around from place to place. The reality of water is...
  • Each protein molecule is made up of several thousand atoms.
  • The ubiquitin molecule is transferred to a different enzyme,
  • The toxin molecule is composed of several parts, one of which for more
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