bis·​muth | \ ˈbiz-məth How to pronounce bismuth (audio) \

Definition of bismuth

: a metallic element that is used in alloys, pharmaceuticals (especially bismuth subsalicylate), and in pigments for cosmetics — see Chemical Elements Table

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Other Words from bismuth

bismuthic \ biz-​ˈmə-​thik How to pronounce bismuth (audio) , -​ˈmyü-​ \ adjective

Examples of bismuth in a Sentence

Recent Examples on the Web Here are suggestions for the most popular winter birds: Big Ducks: Go with 3- or 3-1/2-inch No. 2 steel at 1450 fps, or No. 3 or 4 bismuth. Phil Bourjaily, Field & Stream, "How to Choose the Best Gun and Load for Late-Season Waterfowl," 12 Dec. 2019 This year, Boss improved its loads by plating its bismuth pellets with about 1 mm of copper. Alex Robinson, Outdoor Life, "5 Top Custom Shotshells That Are Better Than Steel," 8 Jan. 2020 Sub-gauge guns are more popular than ever, mostly due to the advancement of tungsten and bismuth shotshells, which are more deadly than straight steel and even lead offerings. Joe Genzel, Outdoor Life, "The Best New Shotguns from SHOT Show 2020," 21 Jan. 2020 The material, β-Bi2Pd, is a thin film of crystalline bismuth and palladium. Jim Daley, Scientific American, "Strange Superconductor Sends Electrons Both Ways," 21 Dec. 2019 Unleaded options include relatively cheap tin, bismuth and steel and more expensive tungsten. John Myers, Twin Cities, "Minnesota DNR rejects request for ban on lead ammunition, fishing tackle," 4 Nov. 2019 In the future, the photographer plans to test out more exotic thermites like bismuth trioxide and manganese dioxide. Wired, "Distant Galaxies? The Death Star? Nope, These Are Explosions," 31 Oct. 2019 The authors tested a variety of solvents (indium, bismuth, lead, silver, and more) as well as nickel, copper, and platinum catalysts. John Timmer, Ars Technica, "Converting natural gas to hydrogen without any carbon emissions," 17 Nov. 2017 At the time, according to Jefferson Lab, it was commonly thought that the bismuth present with cobalt was what gave the ceramics their color. Kat Eschner, Smithsonian, "Creating a Full Palette of Blues," 26 June 2017

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

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First Known Use of bismuth

1668, in the meaning defined above

History and Etymology for bismuth

New Latin bismuthum, modification of German Wismut

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Time Traveler for bismuth

Time Traveler

The first known use of bismuth was in 1668

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Statistics for bismuth

Cite this Entry

“Bismuth.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2021.

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More Definitions for bismuth


How to pronounce bismuth (audio)

English Language Learners Definition of bismuth

: a grayish-white metallic element that is used in alloys and drugs


bis·​muth | \ ˈbiz-məth How to pronounce bismuth (audio) \

Kids Definition of bismuth

: a heavy grayish white metallic chemical element that is used in alloys and in medicines


bis·​muth | \ ˈbiz-məth How to pronounce bismuth (audio) \

Medical Definition of bismuth

: 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

Other Words from bismuth

bismuthic \ biz-​ˈməth-​ik How to pronounce bismuth (audio) , -​ˈmyü-​thik How to pronounce bismuth (audio) \ adjective

More from Merriam-Webster on bismuth

Nglish: Translation of bismuth for Spanish Speakers Encyclopedia article about bismuth

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