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单词 ganister
释义

WordReference Random House Unabridged Dictionary of American English © 2024
gan•is•ter  (ganə stər),USA pronunciation n. 
  1. Metallurgy, Rocksa highly refractory, siliceous rock used to line furnaces.
  2. Metallurgy, Rocksa synthetic product similar to this rock, made by mixing ground quartz with a bonding material.
  • origin, originally uncertain 1805–15

Collins Concise English Dictionary © HarperCollins Publishers::
ganister, gannister /ˈɡænɪstə/ n
  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: 19th Century: of unknown origin
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