: an electronic device that has two electrodes or terminals and is used especially as a rectifier
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Like gallium and germanium, antimony is also used to manufacture semiconductor devices, such as infrared sensors and diodes.—Mark R. Weaver, Newsweek, 4 Dec. 2024 The diode also takes a reading with the LEDs shut off, to measure the sunlight that is passing through the leaf from above.—New Atlas, 27 Nov. 2024 As diodes and transistors work harder and get hotter, their susceptibility to degradation intensifies exponentially.—Jason Kehe, WIRED, 17 Dec. 2018 Unlike the other options that use IPL technology with a diffused light effect, this one uses an 810nm diode laser—essentially a focused laser beam.—Iman Balagam, Vogue, 22 Oct. 2024 See all Example Sentences for diode
Note:
The term was originated by the British physicist William Henry Eccles (1875-1966) in the journal The Electrician, vol. 82, no.16 (April 18, 1919), p. 475.
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