Dictionary
a•tom•ic
Pronunciation: (u-tom'ik), [key]—
adj.
1. of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs:
an atomic explosion.
2. propelled or driven by atomic energy:
an atomic submarine.
3. Chem.existing as free, uncombined atoms.
4. extremely minute.
Also,a•tom'i•cal.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.