diode

noun
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 Inside the container is a pulsing light source (LED, laser diode, or similar small device) that transmits through the fiber and hits a detector at the end of the fiber called a photodetector. Manasee Wagh, Popular Mechanics, 11 Apr. 2022 The diode and Nd:YAG lasers, however, have longer wavelengths and generally bypass pigment in the skin. Jessica Cruel, SELF, 25 Jan. 2022 This enables the panel to deliver more precise control over how each diode is powered, resulting in, according to LG Display, subtler colour and detail performance. John Archer, Forbes, 29 Dec. 2021 Paul Rothchild, who was our producer, looked in his bag and pulled out a diode. Devon Ivie, Vulture, 28 Sep. 2021 In 1957, Esaki and colleagues made the first demonstration of solid tunneling effects in physics, leading to a device that would come to bear his name: the Esaki tunnel diode, the first quantum electronic device. Tom Mullaney, Quartz, 29 May 2021 Each individual pixel is a diode that provides its own illumination, so the screen doesn’t need a backlight. Popular Science, 3 Dec. 2020 Each individual pixel is a diode that provides its own illumination, so the screen doesn’t need a backlight. Popular Science, 3 Dec. 2020 Each individual pixel is a diode that provides its own illumination, so the screen doesn’t need a backlight. Popular Science, 3 Dec. 2020 See More

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.

First Known Use of diode

1919, in the meaning defined above

History and Etymology for diode

di- + -ode

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.

Learn More About diode

Dictionary Entries Near diode

dioctyl phthalate

diode

Diodia

See More Nearby Entries 

Statistics for diode

Last Updated

23 Aug 2022

Cite this Entry

“Diode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diode. Accessed 30 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on diode

Nglish: Translation of diode for Spanish Speakers

Britannica.com: Encyclopedia article about diode

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!