[ey-vee-on-iks, av-ee-]
(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

avionic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To avionics
World English Dictionary
avionics (ˌeɪvɪˈɒnɪks)
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]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1949, from aviation + electronics.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Encyclopedia Britannica


(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

Learn more about avionics with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Example sentences
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.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature