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[ey-vee-on-iks, av-ee-] /ˌeɪ viˈɒn ɪks, ˌæv i-/
(used with a singular verb) the science and technology of the development and use of electrical and electronic devices in aviation.
(used with a plural verb) the devices themselves.
1945-50; avi(ation) + (electr)onics
Related forms
avionic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for avionics
  • Mode errors are a major problem in avionics design, too.
  • Hello to avionics, security systems, and medical labs in a box.
  • The firm had also diversified in all directions, including helicopter avionics and consumer online services.
  • It had been recently renovated with modern avionics.
  • And yet airplane electronics, or avionics to use the technical term, do not routinely squawk or fail.
British Dictionary definitions for avionics


(functioning as sing) the science and technology of electronics applied to aeronautics and astronautics
(functioning as pl) the electronic circuits and devices of an aerospace vehicle
Derived Forms
avionic, adjective
Word Origin
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
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Word Origin and History for avionics

1949, from aviation + electronics.

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for avionics

(derived from the expression "aviation electronics"), the development and production of electronic instruments for use in aviation and astronautics. The term also refers to the instruments themselves. Such instruments consist of a wide variety of control, performance, and radio navigation devices and systems

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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