cad·​mi·​um | \ ˈkad-mē-əm How to pronounce cadmium (audio) \

Definition of cadmium

: a toxic bluish-white malleable ductile divalent metallic element used especially in batteries, pigments, and protective platings — see Chemical Elements Table

Examples of cadmium in a Sentence

Recent Examples on the Web It is combined with cadmium to make cadmium telluride, which is then used to make panels that are more efficient than selenium solar panels. Tim Fitzpatrick, The Salt Lake Tribune, 12 May 2022 Cordless vacuums run on batteries and today’s lithium-ion batteries have more power and last longer than the nickel cadmium batteries of older models — some up to as long as 60 minutes or longer — before needing recharging. Carolyn Forté, Good Housekeeping, 5 May 2022 The plan’s goal included eliminating harmful materials from baby foods by April 2022, inorganic arsenic by April 2024 and cadmium and mercury after April 2024. Ahjané Forbes, Hartford Courant, 28 June 2022 Coal ash is toxic, containing pollutants including mercury, cadmium, and arsenic that can pollute rivers and poison drinking water. Ella Nilsen, CNN, 11 Jan. 2022 The Always Pan and Perfect Pot both have exclusive nontoxic, nonstick ceramic coating made without potentially toxic materials like PFOAs, PTFEs, other PFAs, lead, cadmium and toxic metals. al, 12 May 2022 In other parts of Ukraine, public-health experts expressed concern over the release of heavy metals such as lead and cadmium from industrial sites—which are linked to developmental delays in children—into the air and drinking water. Nidhi Subbaraman, WSJ, 24 Apr. 2022 Through a patented leaching process, the mass is liquefied, microplastics and graphite are filtered out, and nickel and cadmium are removed and collected for reuse. Erika Page, The Christian Science Monitor, 4 Apr. 2022 Coal waste contains contaminants such as cadmium and arsenic that can pollute groundwater. Diego Moendoza-moyers Staff Writer, San Antonio Express-News, 28 Feb. 2022 See More

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

First Known Use of cadmium

1818, in the meaning defined above

History and Etymology for cadmium

New Latin, from Latin cadmia zinc oxide, from Greek kadmeia, literally, Theban (earth), from feminine of kadmeios Theban, from Kadmos; from the occurrence of its ores together with zinc oxide

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Time Traveler for cadmium

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The first known use of cadmium was in 1818

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Dictionary Entries Near cadmium



cadmium blende

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Last Updated

16 Jul 2022

Cite this Entry

“Cadmium.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2022.

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More Definitions for cadmium


cad·​mi·​um | \ ˈkad-mē-əm How to pronounce cadmium (audio) \

Medical Definition of cadmium

: a bluish white malleable ductile toxic bivalent metallic element used especially in protective platings and in bearing metals symbol Cd — see Chemical Elements Table

More from Merriam-Webster on cadmium

Nglish: Translation of cadmium for Spanish Speakers

Britannica English: Translation of cadmium for Arabic Speakers Encyclopedia article about cadmium


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