di·​ode | \ ˈdī-ˌōd How to pronounce diode (audio) \

Definition of diode

: an electronic device that has two electrodes or terminals and is used especially as a rectifier

Examples of diode in a Sentence

Recent Examples on the Web

In each bulb are red, white, green and blue diodes, which can be mixed and matched to create any number of colors. USA TODAY, "Whiskey webs, alien abductions, goldfish invasion: News from around our 50 states," 25 June 2019 The secret to MicroLED is the tiny trio of diodes—red, green and blue—which make up each pixel. David Pierce, WSJ, "This Really Is the Next Revolution in TV Technology," 8 Jan. 2019 The thermionic diode heat engine invented by Nottingham and Hatsopoulos in the 1950s finally went all the way and produced power with no moving parts. Charles A. Berg, The New York Review of Books, "Watt Nonsense," 6 June 2019 At first, the ions will vibrate in an excited state, but diode lasers like those found in DVD players will be used to gradually scatter away their extra kinetic energy. Quanta Magazine, "Perpetual Motion Test Could Amend Theory of Time," 25 Apr. 2013 Apple began selling the XR with the liquid crystal display in late October, five weeks after its pricier organic light emitting diode, or OLED, models went on sale in September. Yoko Kubota, WSJ, "The Phone That’s Failing Apple: iPhone XR," 6 Jan. 2019 People involved in the supply chain said the resumption of the X is due in part to Apple’s contract with Samsung Display, a major provider of iPhone X’s organic-light emitting diode display, or OLED, panels. Takashi Mochizuki, WSJ, "Not So Big in Japan: Apple Cuts Price of iPhone XR to Boost Sales," 22 Nov. 2018 More recently, a technology called OLED (aka organic light emitting diode) has hit the high end of the market. David Pierce, WSJ, "This Really Is the Next Revolution in TV Technology," 8 Jan. 2019 The solution involves swapping out the current helmet mounted displays and replacing them with organic, light emitting diodes (OLEDs). Kyle Mizokami, Popular Mechanics, "The Navy Is Fixing a Serious, Six-Year-Old Bug in the F-35 Fighter Helmet," 30 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diode.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of diode

1919, in the meaning defined above

History and Etymology for diode

International Scientific Vocabulary

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Last Updated

10 Jul 2019

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Time Traveler for diode

The first known use of diode was in 1919

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English Language Learners Definition of diode

technical : an electronic device that allows an electric current to flow in one direction only

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More from Merriam-Webster on diode

Rhyming Dictionary: Words that rhyme with diode

Nglish: Translation of diode for Spanish Speakers

Britannica.com: Encyclopedia article about diode

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