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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

The AEC does not formally declare a seat until it is confident the result will not change based on the number of uncounted votes, which can sometimes take days.

From BBC • Mar. 27, 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

It had been “believed in some quarters that brilliant new ideas would flow from the establishment of competition,” he wrote Colonel Fields at the AEC.

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.