noun
Etymology: bloated (II)
: clay caused to swell naturally or by gas-forming additives and used especially as insulation in concrete because of its porosity and lightness
noun
Etymology: bloated (II)
: clay caused to swell naturally or by gas-forming additives and used especially as insulation in concrete because of its porosity and lightness
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012