| 单词 | alundum |
| 释义 | alundum (once / 2954828 pages) n WORD FAMILY alundum USAGE EXAMPLESSince alundum is porous and not attacked by acids it is used for filtering hot and corrosive liquids that would eat up filter-paper. Slosson, Edwin E., Creative Chemistry—Descriptive of R...(2010) Porous crucibles of a material known as alundum may also be employed to advantage in special cases. Talbot, Henry P., An Introductory Course of Quantitat...(2010) n a substance made of fused alumina Hyper alumina, aluminium oxide, aluminum oxide any of various forms of aluminum oxide occurring naturally as corundum |
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