atomic age Word Origin noun
- the period in history initiated by the first use of the atomic bomb and characterized by atomic energy as a military, political, and industrial factor.
Origin of atomic age First recorded in 1940–45 Also called nuclear age. British Dictionary definitions for atomic age atomic age noun
- the atomic age the current historical period, initiated by the development of the first atomic bomb towards the end of World War II and now marked by a balance of power between nations possessing the hydrogen bomb and the use of nuclear power as a source of energy