alu·​mi·​nous | \ ə-ˈlü-mə-nəs How to pronounce aluminous (audio) \

Definition of aluminous

: of, relating to, or containing alum or aluminum

Examples of aluminous in a Sentence

Recent Examples on the Web

The volcanic ash added a mineral called phillipsite to the concrete, and a study published Monday in the American Mineralogist reveals that aluminous tobermorite crystals grow in the Roman concrete when it is exposed to water. Jay Bennett, Popular Mechanics, "The Ancient Romans' Concrete Recipe Could Help Us Beat Back Rising Seas," 5 July 2017 The tests showed a rare chemical reaction, with aluminous tobermorite crystals growing out of another mineral called phillipsite. The Washington Post,, "To hold back rising seas, ancient Romans made the world's 'most durable' concrete," 6 July 2017 The tests revealed a rare chemical reaction, with aluminous tobermorite crystals growing out of another mineral called phillipsite. Ben Guarino, Washington Post, "Ancient Romans made world’s ‘most durable’ concrete. We might use it to stop rising seas.," 4 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aluminous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aluminous

15th century, in the meaning defined above

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The first known use of aluminous was in the 15th century

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