Breadcrumb Home > Thesaurus > A Synonyms of aec Find synonyms for: Noun 1. Atomic Energy Commission, AEC, executive agency usage: a former executive agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of aec (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language