aluminum
noun
alu·mi·num
ə-ˈlü-mə-nəm 
: 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 foil
The 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 Hersch
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
Ken WellsExamples of aluminum in a Sentence
Recent Examples on the Web
Original Tin Woodman actor Buddy Ebsen was the first to go down, since the aluminum dust in his silver body makeup got into his lungs, nearly killing him.
—Andy Greene, Rolling Stone, 27 Nov. 2024
Its materials aren't as nice—an aluminum shaft with a fiberglass frame.
—Julian Chokkattu, WIRED, 27 Nov. 2024
Apple Watch Series 10 With GPS, 42mm Case With a light blush sport band, a matching rose gold aluminum case, and a smaller screen, this aesthetically beautiful and low-profile watch comes with all the bells and whistles of an Apple Watch Series 10, minus cell service.
—Alexis Benveniste, Travel + Leisure, 26 Nov. 2024
The first finish is Natural Aluminum and features deep black contrasted against natural toned aluminum.
—Mark Sparrow, Forbes, 26 Nov. 2024
See all Example Sentences for aluminum 
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Andy Greene, Rolling Stone, 27 Nov. 2024
Its materials aren't as nice—an aluminum shaft with a fiberglass frame.
—Julian Chokkattu, WIRED, 27 Nov. 2024
Apple Watch Series 10 With GPS, 42mm Case With a light blush sport band, a matching rose gold aluminum case, and a smaller screen, this aesthetically beautiful and low-profile watch comes with all the bells and whistles of an Apple Watch Series 10, minus cell service.
—Alexis Benveniste, Travel + Leisure, 26 Nov. 2024
The first finish is Natural Aluminum and features deep black contrasted against natural toned aluminum.
—Mark Sparrow, Forbes, 26 Nov. 2024
See all Example Sentences for aluminum
Articles Related to aluminum
Dictionary Entries Near aluminum
Cite this Entry
“Aluminum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aluminum. Accessed 1 Dec. 2024.
Copy CitationKids Definition
aluminum
noun
alu·mi·num
ə-ˈlü-mə-nəm
: a silver-white malleable light element that conducts electricity and heat well, is highly resistant to oxidation, and is the most abundant metal in the earth's crust see element
Medical Definition
aluminum
noun
alu·mi·num
ə-ˈlü-mə-nəm
: a silver-white malleable ductile light trivalent metallic chemical element with atomic number 13 that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation
—symbol Al
see Chemical Elements Table
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