avionics

[ey-vee-on-iks, av-ee-]
noun
  1. (used with a singular verb) the science and technology of the development and use of electrical and electronic devices in aviation.
  2. (used with a plural verb) the devices themselves.

Origin of avionics

First recorded in 1945–50; avi(ation) + (electr)onics
Related formsa·vi·on·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for avionics

avionics

noun
  1. (functioning as singular) the science and technology of electronics applied to aeronautics and astronautics
  2. (functioning as plural) the electronic circuits and devices of an aerospace vehicle
Derived Formsavionic, adjective

Word Origin for avionics

C20: from avi (ation electr) onics
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

Word Origin and History for avionics
n.

1949, from aviation + electronics.

Online Etymology Dictionary, © 2010 Douglas Harper