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

Earlier, Canada and the European Union retaliated against Trump’s tariffs on steel, aluminum, motor vehicles and hundreds of other items. — Deon Roberts, Jim Morrill And Hannah Lang, charlotteobserver, "From breweries to the farm, Trump tariff war produces winners and losers in Charlotte," 12 July 2018 The Europeans abhor Trump’s decision to impose steel and aluminum tariffs on a part of the world that is supposed to be the United States’ partner. — Washington Post, "Friend or foe at NATO? Who knows when Trump comes to dinner," 10 July 2018 The Europeans abhor Trump's decision to impose steel and aluminum tariffs on a part of the world that is supposed to be the United States' partner. — Raf Casert, Fox News, "Friend or foe at NATO? Who knows when Trump comes to dinner," 10 July 2018 Most dry shampoo and hairspray cans are made of steel and aluminum, which are both recyclable. — Jessica Cruel, SELF, "You Should Be Recycling Your Beauty Products—10 Things You Need to Know," 7 July 2018 Since steel and aluminum tariffs were initially announced by the White House in March, defensive sectors—like utilities, health care and consumer staples—have outperformed globally. — Mike Bird, WSJ, "Tariff Talk Finally Turns Real for Asia Markets," 6 July 2018 Japanese officials were furious when Trump refused to exempt them from the steel and aluminum tariffs. — Damian Paletta, The Seattle Times, "Trump further chastises Harley-Davidson, says he is helping foreign competitors move to US," 3 July 2018 Trump claimed the steel and aluminum tariffs were aimed at ensuring national security by protecting domestic suppliers. — Allison Kite, kansascity, "‘In a trade war, everyone loses.’ What Trump’s tariffs mean for Missouri," 2 July 2018 That cost is now higher due to steel and aluminum tariffs — and the $2,200-per-bike tariff. — Paul Gores, Milwaukee Journal Sentinel, "Tariff fights bring what most companies try to avoid: Uncertainty," 27 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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Last Updated

25 Sep 2018

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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

See the full definition for aluminum in the English Language Learners Dictionary

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