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Definition of aluminum

aluminum

/əˈluː.mə.nəm/
(UK: aluminium)
a · lu · mi · num
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aluminum Lexical Profile

aluminum Game Scores & Validity

• adjective

1

North American Made of, containing, or relating to the metallic element aluminum.

Example

"She packed the leftover sandwiches in aluminum foil before heading out for the hike."

Synonyms
View all synonyms for aluminum

• noun

1

North American A lightweight, silvery-white, ductile metallic chemical element (symbol Al, atomic number 13) that resists corrosion and is widely used in aircraft, packaging, and construction.

Example

"Recycling aluminum requires only a small fraction of the energy needed to extract the metal from raw bauxite ore."

Synonyms
View all synonyms for aluminum

Word Nuance & Usage

"Aluminum" is the standard spelling and pronunciation in American and Canadian English, whereas "aluminium" is the standard form in British, Commonwealth, and international scientific usage.

• Rhymes for aluminum

• Nearby Words

altruistic
altruistically
alum
aluminum
alumna
alumnus
alupag

Word Origin & Etymology

Coined by British chemist Sir Humphry Davy in 1812 from "alumina" (derived from Latin alumen, meaning "bitter salt" or "alum"), after initially proposing "alumium" in 1808.

Cite this Entry

Wordmom. (2026). Definition of Aluminum. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aluminum
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