air-entrained concrete
noun
a low-density type of concrete throughout which small air bubbles are dispersed in order to increase its frost resistance: used for making roads. With 1 per cent of air, the loss of strength is approximately 5 per cent
Nearby words
air-condition, air-conditioner lung, air-cool, air-core, air-dry, air-entrained concrete, air-express, air-hardening, air-intake, air-lance, air-launched cruise missile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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