| Word | Definitions | Synonyms |
|---|---|---|
| atomic | (adjective) (weapons) deriving destructive energy from the release of atomic energy | Synonyms: nuclear |
| (adjective) of or relating to or comprising atoms | - | |
| (adjective) immeasurably small | - | |
| atomistic | (adjective) divided into separate and often disparate elements | Synonyms: atomistical |
| atomistical | (adjective) divided into separate and often disparate elements | Synonyms: atomistic |