bismuth

noun

bis·​muth ˈbiz-məth How to pronounce bismuth (audio)
: a metallic element that is used in alloys, pharmaceuticals (especially bismuth subsalicylate), and in pigments for cosmetics see Chemical Elements Table
bismuthic
biz-ˈmə-thik How to pronounce bismuth (audio)
-ˈmyü-
adjective

Examples of bismuth in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The raw materials required, like bismuth and tellurium, are rare, expensive, and trapped in chaotic global supply chains. Mrigakshi Dixit, Interesting Engineering, 23 June 2026 China controls roughly 90% of the global bismuth supply. Ken Silverstein, Forbes.com, 21 June 2026 As the world's largest energy consumer, the country is exploring technologies ranging from the use of materials such as thorium and bismuth to the accelerated expansion of renewable energies and nuclear generation. Fernanda González, Wired News, 10 June 2026 Some alternatives include bullets made from copper, as well as tungsten, bismuth and steel shot or anglers. Drew Pittock, USA Today, 5 May 2026 See All Example Sentences for bismuth

Word History

Etymology

New Latin bismuthum, modification of German Wismut

First Known Use

1668, in the meaning defined above

Time Traveler
The first known use of bismuth was in 1668

Browse Nearby Words

Cite this Entry

“Bismuth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bismuth. Accessed 25 Jun. 2026.

Kids Definition

bismuth

noun
bis·​muth ˈbiz-məth How to pronounce bismuth (audio)
: a heavy brittle grayish white metallic element that is chemically like arsenic and antimony and is used in alloys and drugs see element

Medical Definition

bismuth

noun
bis·​muth ˈbiz-məth How to pronounce bismuth (audio)
: a heavy brittle grayish white chiefly trivalent metallic element that is chemically like arsenic and antimony and that is used in alloys and pharmaceuticals
symbol Bi
see Chemical Elements Table
bismuthic adjective

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