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.

---

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

---

Etymology

Origin of ganister

First recorded in 1805–15; origin uncertain

Example Sentences

The dust varies according to the stone, but wherever there is quartz, flint, ganister, sandstone, granite, there silica particles lead all the rest.

From Time Magazine Archive

Harbison-Walker in shaping their bricks squeeze their clay or ganister mixture into a long greyish bar which, as it crawls out the mold, resembles a creeping crocodile.

From Time Magazine Archive

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

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Silica has an important use in the form of silica brick or "ganister" for lining furnaces and converters in which acid slags are formed.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

Very few fireclays meet all these requirements, and it is usual to mix a certain proportion of ground firebrick, ganister, sand or clay with the fireclay before making up.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" by Various