- of an atom or atoms
- of, using, or powered by nuclear energy: an atomic submarine
- involving the use of nuclear weapons: atomic warfare
- having its atoms in an uncombined form: atomic oxygen
- very small; minute
See atomic in American Heritage Dictionary 4
- Of or relating to an atom or atoms.
- Of or employing nuclear energy: an atomic submarine; atomic weapons.
- Very small; infinitesimal.
Learn more about atomic