Word Study
ganister
CIDE DICTIONARY
ganister, 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. [1913 Webster]
OXFORD DICTIONARY
ganister, n. a close-grained hard siliceous stone found in the coal measures of northern England, and used for furnace-linings.
Etymology
19th c.: orig. unkn.
For further exploring for "ganister" in Webster Dictionary Online
