initialism Hear it!

initialism definition

ini·tial·ism (i nis̸h′əl iz′əm)

noun

an acronym or abbreviation formed from initial letters, specif., one pronounced using the letters' names rather than phonetically (Ex.: CD, DNA, UHF)

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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