avionic

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:
1945–50; avi(ation) + (electr)onics

avionic, adjective
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World English Dictionary
avionics (ˌeɪvɪˈɒnɪks)
 
n
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
 
[C20: from avi(ation electr)onics]
 
avi'onic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

avionics
1949, from aviation + electronics.
Online Etymology Dictionary, © 2010 Douglas Harper
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