aluminum

noun, often attributive
alu·​mi·​num | \ ə-ˈlü-mə-nəm How to pronounce aluminum (audio) \

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

One clear concern voiced by officials related to the impact of a global trade, following the announcement by U.S. President Donald Trump of tariffs on steel and aluminum imports, including from the European Union. Washington Post, "Trade war fears a clear concern of European bank officials," 12 July 2018 Some senators are portraying it as a rebuke of President Donald Trump's use of a national security waiver to impose tariffs on steel and aluminum imports from Canada, Mexico and the European Union. Kevin Freking, chicagotribune.com, "Senate voices protest over Trump's aluminum, steel tariffs," 11 July 2018 In an 88-11 vote on Wednesday, the Senate approved a symbolic motion backing a role for Congress in requiring tariffs based on national security, such as those Trump imposed on steel and aluminum imports and is contemplating on autos. Erik Wasson / Bloomberg, Time, "Senate Approves Symbolic Resolution in Attempt to Curb President Trump's Mounting Tariffs," 11 July 2018 Trade tensions with allies were heightened by the White House announcement in March of tariffs on steel and aluminum imports. Matthew Garcia, USA TODAY, "What a U.S.-China trade war could mean for opioid epidemic," 6 July 2018 The move was made in response to the EU slapping a 31 percent tariff on motorcycles made in the U.S., which in turn was a response to Trump's tariffs on steel and aluminum imports. Rick Barrett, Milwaukee Journal Sentinel, "Attacking Harley-Davidson yet again, Trump now says administration will boost competitors," 3 July 2018 Trump angered Canada and Mexico by imposing hefty tariffs on steel and aluminum imports from the two countries, citing national security concerns. Heather Long, BostonGlobe.com, "President Trump says he won’t sign any NAFTA deal until after midterms," 1 July 2018 The administration has already imposed tariffs on steel and aluminum imports. Eric D. Lawrence, Detroit Free Press, "Moody's: Tariffs threaten 'nearly every segment' of auto industry," 25 June 2018 Sure, the president had announced across-the-board tariffs on steel and aluminum imports in early March — but shortly after that declaration, his administration began handing out exemptions to American allies. Eric Levitz, Daily Intelligencer, "Trump Raises Taxes on Chinese Goods, Eyes Foreign Cars Next," 15 June 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

13 Mar 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 How to pronounce aluminum (audio) \

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 How to pronounce aluminum (audio) \

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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