Ganister definition

gănĭ-stər
A hard, siliceous sedimentary rock sometimes found underlying coal beds, used in making brick for refractory linings of metallurgical furnaces.
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A fine-grained quartzite used to line refractory furnaces.
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A mixture of fire clay and ground quartz, used to line metallurgical furnaces.
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A hard, fine-grained sandstone, used in manufacturing silica bricks for lining furnaces.
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Other Word Forms

Noun

Singular:
ganister
Plural:
ganisters

Origin of ganister

  • Origin unknown

    From American Heritage Dictionary of the English Language, 5th Edition

  • Unknown

    From Wiktionary