Atomic Energy Commission

noun

1. a former federal agency (1946–75) created to regulate the development of the U.S. atomic energy program: functions transferred to the Nuclear Regulatory Commission. AEC

Atomic Energy Commission

noun

1. AEC. (in the US) a federal board established in 1946 to administer and develop domestic atomic energy programmes

Atomic Energy Commission

1. An agency of the United States government from 1946 to 1974 that was charged with controlling and developing the use of atomic energy for civilian and military purposes. In 1974, the AEC was abolished, and its duties were divided between two new agencies: the Energy Research and Development Administration (now a part of the Department of Energy) and the Nuclear Regulatory Commission (NRC).