WordReference Random House Unabridged Dictionary of American English © 2025
Atom′ic En′ergy Commis′sion,
- Governmenta former federal agency (1946–75) created to regulate the development of the U.S. atomic energy program: functions transferred to the Nuclear Regulatory Commission. Abbr.: AEC
'Atomic Energy Commission' also found in these entries (note: many are not synonyms or translations):