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aluminum

[ uh-loo-muh-nuhm ]
/ 蓹藞lu m蓹 n蓹m /
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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. Abbreviation: alum.; Symbol: Al; atomic weight: 26.98; atomic number: 13; specific gravity: 2.70 at 20掳C.
adjective
of, relating to, or containing aluminum: an aluminum frying pan.

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Also British, al路u路min路i路um [al-yuh-min-ee-uhm] /藢忙l y蓹藞m瑟n i 蓹m/ .

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

OTHER WORDS FROM aluminum

al路u路min路ic [al-yuh-min-ik], /藢忙l y蓹藞m瑟n 瑟k/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use aluminum in a sentence

Scientific definitions for aluminum

aluminum
[ 蓹-l艒艒m蓹-n蓹m ]

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掳C (1,220.5掳F); boiling point 2,519掳C; specific gravity 2.70; valence 3. See Periodic Table.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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