cadmium sulfide

noun

: a yellow-brown poisonous salt CdS used especially in electronic parts, in photoelectric cells, and in medicine

Examples of cadmium sulfide in a Sentence

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Above this sits the indium-free chalcopyrite absorber, followed by a 150-nm cadmium sulfide buffer layer, a zinc oxide window layer, and a metallic grid electrode. Bojan Stojkovski, Interesting Engineering, 14 Mar. 2026 In a statement to CNN, Army spokesperson Ellen Lovett said five examinations of the Army’s use of zinc cadmium sulfide in their aerosol dispersion tests have all shown the mist was non-toxic. Justin Gamble, CNN, 15 Oct. 2023 Brus repeated this effect a few years later, demonstrating the same change in color with quantum dots of cadmium sulfide, floating freely in a fluid instead of in glass. Carlyn Kranking, Smithsonian Magazine, 4 Oct. 2023 While at Bell Laboratories, Brus experimented with nanoparticles of cadmium sulfide, intrigued by their ability to capture light and harness that energy to drive chemical reactions. Jennifer Ouellette, Ars Technica, 4 Oct. 2023 Under high-humidity conditions, the yellow cadmium sulfide pigment reacts with moisture in the environment to turn into cadmium sulfate, which is white. Stephanie Demarco, Discover Magazine, 18 May 2021 When the cadmium sulfide is excited with light, the excited electron from the conduction band is injected into the enzyme, which produces some sort of biological electron carrier (like H2) that is used for the CO2 fixation pathway. IEEE Spectrum, 22 Aug. 2017

Word History

First Known Use

1833, in the meaning defined above

Time Traveler
The first known use of cadmium sulfide was in 1833

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Cite this Entry

“Cadmium sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cadmium%20sulfide. Accessed 22 May. 2026.

Kids Definition

cadmium sulfide

noun
: a yellow-brown poisonous salt used especially in electronic parts, in photoelectric cells, and in medicine

Medical Definition

cadmium sulfide

noun
: a yellow-brown poisonous salt CdS used especially in electronic parts, in photoelectric cells, and in the treatment of seborrheic dermatitis of the scalp

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