Definitions

1. adjective

relating to or derived from atoms

“The atomic model of the atom is widely accepted in science.”

2. noun

an atom, especially one that has been split or fused in a nuclear reaction

“The atomic particles were studied in a laboratory.”

3. noun

a unit of energy, especially one that is equal to 10^12 (or 10 to the 12th power) electron volts

“The atomic energy released by the nuclear reaction was enormous.”

4. adjective

of or relating to the nucleus of an atom

“The atomic energy of the nucleus is released in a nuclear reaction.”

5. adjective

relating to or characteristic of an atom or its nucleus, especially in relation to nuclear energy or radioactivity

“The atomic properties of the element were studied in detail.”