- 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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012