Definition of nonatomic
: not atomic: such as
a
: not relating to, concerned with, or composed of atoms
- Gerald Cleaver, professor and graduate program director in Baylorʼs department of physics, will present "Life on the Landscape," which will consider the place of the Earthʼs universe and the possibility of nonatomic-based (intelligent) life forms outside of it.
- —The Waco (Texas) Tribune-Herald
b
: not relating to, being, or involving atomic weapons
- nonatomic bombs/weapons
- a nonatomic war
