Gritrock - 2 dictionary results
| gritrock | |
noun | |
| a hard coarse-grained siliceous sandstone [syn: grit] |
WordNet® 3.0, © 2006 by Princeton University.
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Gritrock
Grit"rock`\ (gr[i^]t"r[o^]k`), Gritstone \Grit"stone`\ (-st[=o]n`)n. (Geol.) See Grit, n., 4.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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