( n. )
A refractory material consisting of crushed or ground siliceous stone, mixed with fire clay; -- used for lining Bessemer converters; also used for macadamizing roads.
( n. )
A refractory material consisting of crushed or ground siliceous stone, mixed with fire clay; -- used for lining Bessemer converters; also used for macadamizing roads.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012