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I.D.

2.
3.
Military. Infantry Division.
4.
Intelligence Department.
Origin
1950-1955
1950-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for i. d

I.D.

also ID (but pronounced as separate letters), short for identification, attested from 1955.

Online Etymology Dictionary, © 2010 Douglas Harper
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Related Abbreviations for i. d

i.d.

  1. inner diameter
  2. inside diameter
  3. internal diameter
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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