Synonyms

aluminum

American

[uh-loo-muh-nuhm] / əˈlu mə nəm /

British, aluminium

noun

Chemistry. a silver-white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most soil: used in alloys and for lightweight utensils, castings, airplane parts, etc. alum.; Al; 26.98; 13; 2.70 at 20°C.

adjective

of, relating to, or containing aluminum.

an aluminum frying pan.

aluminum Scientific

/ ə-lo̅o̅′mə-nəm /

Symbol Al A lightweight, silvery-white metallic element that is ductile, is found chiefly in bauxite, and is a good conductor of electricity. It is the most abundant metal in the Earth's crust and is used to make a wide variety of products from soda cans to airplane components. Atomic number 13; atomic weight 26.9815; melting point 660.3°C (1,220.5°F); boiling point 2,519°C; specific gravity 2.70; valence 3.
See Periodic Table

Other Word Forms

aluminic adjective

Etymology

Origin of aluminum

1812; from New Latin; aluminum was an alteration, by Humphry Davy, of alumium, which was first proposed; the chiefly British variant aluminium was formed after other metals in -ium. See alumina, -ium

Compare meaning

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alumina vs. aluminum

Example Sentences

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Find insight on the outperformance of metals and mining stocks, palm oil prices, the impact of Strait of Hormuz disruption on regional aluminum premia and more in the latest Market Talks covering Basic Materials.

From The Wall Street Journal

“A meaningful portion of global primary aluminum trade transits the Gulf,” say the analysts.

From The Wall Street Journal

The persistent plunk, plunk, plunk of icicles dripping into an aluminum gutter — a sound that is less birdsong than plumbing.

From Salon

One is industrial metals, aluminum and copper in particular, which are clear beneficiaries of the electrification story, he says.

From MarketWatch

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023