aluminum

noun, often attributive
alu·​mi·​num | \ ə-ˈlü-mə-nəm \

Definition of aluminum

: a bluish silver-white light malleable ductile trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation and is the most abundant metal in the earth's crust where it always occurs in combination — see Chemical Elements Table

Examples of aluminum in a Sentence

Recent Examples on the Web

About 14% of vanadium comes directly from mines, and can be found alongside more common commodities, including iron ore, uranium, coal, oil and aluminum ingredient bauxite. Rhiannon Hoyle, WSJ, "Vanadium Is Used to Strengthen Steel and China Can’t Get Enough of It," 27 Dec. 2018 Don’t wear deodorant containing aluminum Postpone putting on deodorant until after your spray tan. Jenn Sinrich, SELF, "11 Things to Avoid Doing Right Before Getting a Spray Tan," 10 Dec. 2018 Now there are aluminum trees and plastic trees manufactured to appear more realistic. Alan Berner, The Seattle Times, "Cutting your own Christmas tree: a day of family traditions on a North Bend farm," 8 Dec. 2018 The shell continues to be aluminum, but gone are the distinctive—and somewhat dated—curves of the previous model. Gordon Mah Ung, PCWorld, "Razer's Blade Stealth gets a long-awaited upgrade to GeForce graphics and a Whiskey Lake CPU," 4 Dec. 2018 Pat Toomey, the Republican Senator from Pennsylvania, came on to talk about the steel and aluminum tariffs that the President initiated, to try to win that Connor Lamb special election in Western PA. Eric Johnson, Recode, "Full Q&A: NBC journalists Chuck Todd, Andrea Mitchell and Hallie Jackson on Recode Decode," 5 Dec. 2018 Canada and Mexico did get the US to make a side agreement that largely protects them from possible auto tariffs under 232, but the steel and aluminum tariffs remain in place. Jen Kirby, Vox, "The three countries signed the deal at the G20 on Friday.," 30 Nov. 2018 The rear structure encloses both engines and their ancillaries in a chassis made from machined aluminum, steel, and titanium. Jonathan M. Gitlin, Ars Technica, "Bloodhound SSC: How do you build a car capable of 1,000mph?," 24 Nov. 2018 In MoEDAL’s case, the detector is plastics and aluminum. Adam Hadhazy, Discover Magazine, "Scientists Hunt for A Seeming Paradox: A Magnet With Only One Pole," 13 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aluminum.' 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 aluminum

1810, in the meaning defined above

History and Etymology for aluminum

New Latin, from alumina

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Statistics for aluminum

Last Updated

1 Jan 2019

Look-up Popularity

Time Traveler for aluminum

The first known use of aluminum was in 1810

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More Definitions for aluminum

aluminum

noun

English Language Learners Definition of aluminum

: a silver metal that is strong and light and that is used for making many products

aluminum

noun
alu·​mi·​num | \ ə-ˈlü-mə-nəm \

Kids Definition of aluminum

: a silver-white light metallic chemical element that is easily worked, conducts electricity well, resists weathering, and is the most plentiful metal in the earth's crust

aluminum

noun, often attributive
alu·​mi·​num | \ ə-ˈlü-mə-nəm \

Medical Definition of aluminum

: a bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation and is the most abundant metal in the earth's crust where it always occurs in combination symbol Al — see Chemical Elements Table

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More from Merriam-Webster on aluminum

Spanish Central: Translation of aluminum

Nglish: Translation of aluminum for Spanish Speakers

Britannica English: Translation of aluminum for Arabic Speakers

Britannica.com: Encyclopedia article about aluminum

Comments on aluminum

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