diode

noun

di·​ode ˈdī-ˌōd 

: 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

Tunable diode laser spectroscopy brought high selectivity and fast response for online gas analysis. — Gregory Shahnovsky, Forbes.com, 7 Aug. 2026

Common culprits include interior or trunk lights staying on, aftermarket accessories, a faulty alternator diode, stuck relays, or modules not going into sleep mode. — John Paul, The Providence Journal, 1 Aug. 2026

However, that base price only gets you a version of the machine with a 10W laser diode capable of cutting over 300 thinner materials. — Andrew Liszewski, The Verge, 27 May 2026

The 7 Color Photon Rejuvenation Super LED Mask combines 352 high-quality LED diodes with advanced technologies, including Near-Infrared (NIR), to deliver a powerful, non-invasive skin care experience. — Tory Johnson, ABC News, 23 Apr. 2026

Word History

Etymology

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.

First Known Use

1919, in the meaning defined above

Phrases Containing diode

• light-emitting diode
• Zener diode

Rhymes for diode

• blowed
• bode
• code
• crowed
• flowed
• glowed
• goad
• growed
• knowed
• load
• lode
• lowed

Kids Definition

diode

noun

di·​ode ˈdī-ˌōd 

: an electronic device with two electrodes that is used especially for changing alternating current into direct current