: an electronic device that has two electrodes or terminals and is used especially as a rectifier
Examples of diode in a Sentence
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The single-photon avalanche diode (SPAD), a solid-state photodetector, is at the heart of this innovation.
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Ni Tao, Interesting Engineering, 15 Sep. 2025
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, 10 Sep. 2025
Under development since the 1950s, betavoltaic batteries feature a radioactive emitter and a silicon-diode absorber.
—IEEE Spectrum, 25 Aug. 2025
Even the obviously tangible Irakli can, through a glitch in the camera’s rustic diodes, all but vanish into the fuzz of a forest or a field.
—Jessica Kiang, Variety, 17 Aug. 2025
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Ni Tao, Interesting Engineering, 15 Sep. 2025
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, 10 Sep. 2025
Under development since the 1950s, betavoltaic batteries feature a radioactive emitter and a silicon-diode absorber.
—IEEE Spectrum, 25 Aug. 2025
Even the obviously tangible Irakli can, through a glitch in the camera’s rustic diodes, all but vanish into the fuzz of a forest or a field.
—Jessica Kiang, Variety, 17 Aug. 2025
See All Example Sentences for diode
Cite this Entry
“Diode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diode. Accessed 18 Sep. 2025.
Copy CitationKids Definition
diode
noun
di·ode
ˈdī-ˌōd 
: an electronic device with two electrodes that is used especially for changing alternating current into direct current
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