1. a former executive agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States; [syn: Atomic Energy Commission, AEC]
WordNet (r) 3.0 (2006):
Atomic Energy Commission
n 1: a former executive agency (from 1946 to 1974) that was
responsible for research into atomic energy and its
peacetime uses in the United States [syn: Atomic Energy
Commission, AEC]