aerated concrete

noun

: concrete formed from cement that has been mixed with other materials (such as an expansion agent) and treated in such a way as to substantially reduce its density without similarly reducing its strength

One U.S. supplier of aerated concrete panels and blocks is Hebel Southeast in Atlanta, a licensee of Hebel International in Olching, Germany, which developed the process for producing concrete shapes that weigh only a fifth as much as those made from conventional reinforced concrete.

—Stuart F. Brown, Forbes, 8 Sept. 1997

Word History

First Known Use

1918, in the meaning defined above

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