alu·mi·num
| \ ə-ˈlü-mə-nəm
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Definition of aluminum
: a silver-white metallic chemical element with atomic number 13 that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation
—often used before another noun aluminum foilThe sweet spot, the point in a bat where vibration supposedly is least, is said to be two times larger on an aluminum bat than on a wood one.— Hank HerschBefore he evacuated, Mr. Gonzales tied the boat down with four gigantic ropes and all the storm could do was knock it off the construction blocks. He slowly climbs a battered aluminum ladder propped up on the port side.— Ken Wells
— see Chemical Elements Table
Examples of aluminum in a Sentence
Recent Examples on the Web
President Trump has at times attacked both Harley and the EU over the ordeal, which all springs from retaliation against his administration’s levies on steel and aluminum. — Los Angeles Times, "Harley-Davidson gets EU approval for plan to dodge $100-million tariff hit," 23 July 2019 Even the rear bumper beam, a part any owner is unlikely to see or even be aware of, changes: Chevy’s engineers had to make it of carbon fiber instead of steel or aluminum to minimize the weight behind the rear axle. — Alex Davies, WIRED, "How It Feels to Drive—and Crash—the First-Ever Mid-Engine Corvette," 18 July 2019 Mexico imposed a 20% duty on U.S. pork in response to our steel and aluminum tariffs, and China hiked its tariff on U.S. pork to 70 percent. — Christine Mcdaniel, Twin Cities, "Christine McDaniel: What the trade war with China means for your July 4th cookout," 4 July 2019 Mexico, the biggest importer of U.S. pork, dropped its tariffs in May, following the U.S. withdrawal of tariffs on Mexican steel and aluminum. — Jacob Bunge, WSJ, "Farmers Welcome Trade Truce, Hope for More," 29 June 2019 Trump has deployed that provision to tax imported steel and aluminum. — Paul Wiseman, Fortune, "Businesses Are Getting Spooked by Trump's Trade Policy," 12 June 2019 At the same time, foreign markets for American dairy products have dwindled in response to tariffs that Trump slapped on foreign steel and aluminum. — Paul Davidson, USA TODAY, "Low prices, floods and trade wars plague American farmers, putting their survival at risk," 6 June 2019 Fekete explores three dimensional mediums including wood, steel and aluminum. — Anchorage Daily News, "Here is what you can expect for First Friday this week," 6 June 2019 FT Heineken Sinks Rising costs offset a growing appetite for beer in every region, Heineken said on Monday—particularly the cost of aluminum. — Katherine Dunn, Fortune, "Boeing’s 737 Max Grounding Grinds On: CEO Daily," 29 July 2019These 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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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
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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