ganister

American  

[gan-uh-ster] / ˈgæn ə stər /

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.

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ganister British  

/ 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

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Etymology

Origin of ganister

First recorded in 1805–15; origin uncertain

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

In certain cases it is necessary to use an acid brick, and for the manufacture of these a highly siliceous mineral, such as chert or ganister, is used, mixed if necessary with sufficient clay to bind the material together.

From Project Gutenberg