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Noun: atom  atum
  1. (physics and chemistry) the smallest component of an element having the chemical properties of the element
     
  2. (nontechnical usage) a tiny piece of anything
    - molecule, particle, corpuscle, mote, speck

Derived forms: atoms

See also: atomic, atomise [Brit], atomize, diatomic, monoatomic, polyatomic, subatomic

Type of: material, stuff, substance

Part of: chemical element, element, molecule

Encyclopedia: Atom

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atmospheric electricity
atmospheric phenomenon
atmospheric pressure
atmospheric state
atmospheric static
atmospherical
atmospherically
atmospherics
atole
atoll
atom
atom bomb
atom smasher
atom-bomb
atomic
atomic bomb
atomic clock
atomic cocktail
atomic energy
Atomic Energy Commission
atomic explosion