Atomic energy commission
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.
Abbreviation: AEC.
Contemporary Examples
By 1951, Maclean was head of the American department of the Foreign Office, with access to the US Atomic Energy Commission.
What the Spies Knew: The Secret World of Anglo-American Intelligence Emma Garman September 20, 2013
Transcripts from hearings held by the Atomic Energy Commission in 1954 have recently been declassified and studied by scholars.
I Saw Nuclear Armageddon Sitting on My Desk Clive Irving November 9, 2014
Silkwood worked for the Kerr-McGee Corp., a contractor for the Atomic Energy Commission.
Edward Snowden’s Whistleblowing Saga Mirrors the Karen Silkwood Case Richard Rashke July 1, 2013
Like many Atomic Energy Commission officials, Dewar saw the accident as “achieving some objectives.”
America’s Secret Nuclear Test Revealed in Area 51 Annie Jacobsen May 12, 2011
Historical Examples
If you find a few hundred tons of it, you can sell it to the Atomic Energy Commission.
The Blue Ghost Mystery Harold Leland Goodwin
In 1952 the Atomic Energy Commission let a contract to clean up the site.
Trinity [Atomic test] Site White Sands Missile Range Public Affairs Office
noun
(in the US) a federal board established in 1946 to administer and develop domestic atomic energy programmes AEC
Atomic Energy Commission (AEC)
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).
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- Atomic heat
noun the product of an element’s atomic weight and its specific heat (capacity) Historical Examples The atomic heat of a metal in the solid state is in most cases larger than six calories at ordinary temperatures. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 Various Estimated at constant pressure the atomic heat would be 3.5. […]
- Atomic hydrogen
hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive. Historical Examples The atomic hydrogen reaction stores more energy per gram than any other chemical reaction known. The Black Star Passes John W Campbell The atomic hydrogen tanks were full, and under the ship’s own power the oxygen tanks were […]
- Atomic mass unit
Also called dalton. a unit of mass, equal to 1/12 (0.0833) the mass of the carbon-12 atom and used to express the mass of atomic and subatomic particles. (formerly) a unit of mass, equal to 1/16 (0.0625) the mass of an oxygen atom having atomic mass 16. Abbreviation: amu, AMU. noun a unit of mass […]
- Atomic number
the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Symbol: Z. Abbreviation: at. no.; Historical Examples The number found in this way is one less than the atomic number. A Brief Account of Radio-activity Francis Preston […]