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AC/DC

Electricity
1.
alternating current or direct current.
Also, A.C./D.C. ac/dc, a-c/d-c, a.c.-d.c.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for a-c/d-c

AC/DC

adjective
1.
(informal) (of a person) bisexual
Word Origin
C20: humorous reference to electrical apparatus that is adaptable for alternating current and direct current
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
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Word Origin and History for a-c/d-c

AC/DC

adj.

electronics abbreviation of alternating current/direct current, by 1898. As slang for "bisexual," 1959, said to have been in use orally from c.1940; the notion is of working both ways.

Online Etymology Dictionary, © 2010 Douglas Harper
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Related Abbreviations for a-c/d-c

AC/DC

  1. alternating current/direct current
  2. bisexual
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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