ganister

[ gan-uh-ster ]

noun

1. a highly refractory, siliceous rock used to line furnaces.
2. a synthetic product similar to this rock, made by mixing ground quartz with a bonding material.

ganister

/ ˈɡænɪstə /

noun

1. a highly refractory siliceous sedimentary rock occurring beneath coal seams: used for lining furnaces
2. a similar material synthesized from ground quartz and fireclay

Word History and Origins

Origin of ganister¹

First recorded in 1805–15; origin uncertain

Word History and Origins

Origin of ganister¹

C19: of unknown origin

Example Sentences

Slurry, slur′i, n. any one of several semi-fluid mixtures, esp. of ganister, used to make repairs in converter-linings.

From Project Gutenberg

Ganister, Gannister, gan′is-ter, n. a hard, close-grained siliceous stone, which often forms the stratum that underlies a coal-seam.

From Project Gutenberg

Silica is used in furnace-building in the forms of sand, ganister, a finely ground sandstone from the Coal Measures of Yorkshire, and the analogous substance known as Dinas clay, which is really nearly pure silica, containing at most about 2�% of bases.

From Project Gutenberg

Ganister, a slightly plastic siliceous sand, is similarly used for the lining of Bessemer steel converters; it is found in the neighbourhood of Sheffield.

From Project Gutenberg

The suitability of a fireclay for the manufacture of the various fireclay goods depends upon its physical character as well as upon its refractoriness, and it is often necessary to mix with the clay a certain proportion of ground firebrick, ganister, sand or some similar refractory material in order to obtain a suitable brick.

From Project Gutenberg