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AEC

1 American  

abbreviation

  1. Atomic Energy Commission.

A.E.C. 2 American  

abbreviation

Insurance.

  1. additional extended coverage.

AEC British  

abbreviation

  1. Atomic Energy Commission

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Credo invented the AEC, which is a copper-based cable used to attach AI servers to networking switches.

From Barron's • Oct. 17, 2025

For other users, the AEC was "available for people to ask questions or seek information".

From Reuters • Sep. 27, 2023

Those who go in knowing the outcomes of the AEC proceedings and Strauss’ Cabinet bid will see past the red herrings that Nolan occasionally strews across the path of history.

From Los Angeles Times • Jul. 19, 2023

The AEC, historically responsible for the nation’s nuclear weapons program, was abolished in the 1970s, in no small part because of public criticism of its handling of nuclear safety.

From Seattle Times • Jul. 12, 2023

Strauss stage-managed the AEC hearing into Oppenheimer’s security clearance as he had the campaign of calumny that preceded it.

From "Big Science" by Michael Hiltzik

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.