atomic

adjectives

of or relating to or comprising atoms

"atomic structure"; "atomic hydrogen"

atomic

is derived from

pertains to

(weapons) deriving destructive energy from the release of atomic energy

"nuclear war"; "nuclear weapons"; "atomic bombs"

atomic, nuclear

immeasurably small

atomic

is derived from

is similar to

limited or below average in number or quantity or magnitude or extent

"a little dining room"; "a little house"; "a small car"; "a little (or small) group"