avionics

American  

[ey-vee-on-iks, av-ee-] / ˌeɪ viˈɒn ɪks, ˌæv i- /

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.

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avionics British  

/ ˌeɪvɪˈɒnɪks /

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

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Other Word Forms

• avionic adjective

Etymology

Origin of avionics

First recorded in 1945–50; avi(ation) + (electr)onics

Example Sentences

The aircraft flying today were built by Boeing in the 1950s and 1960s but have received new engines and avionics over their 60 years in service.

From The Wall Street Journal • Mar. 13, 2026

Varda co-founder and Chief Executive Will Bruey is a former SpaceX avionics engineer, and the company’s spacecraft are launched on SpaceX’s workhorse Falcon 9 rockets from Vandenberg Space Force Base in Santa Barbara County.

From Los Angeles Times • Mar. 4, 2026

Smoke had been detected in the toilet and the avionics area, which contained the aircraft's electronics and computer below the cockpit.

From BBC • May 2, 2025

Intuitive Machines also partnered with Columbia Sportswear to use its insulation technology to protect the lander’s avionics.

From Seattle Times • Feb. 15, 2024

The commercial aviation solutions business of L3Harris offers pilot training, flight data analytics, avionics and advanced air mobility products and services and has around 1,450 employees.

From Reuters • Nov. 27, 2023