English dictionary
quartzite
/'kw/O/rts/aI/t/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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hard metamorphic rock consisting essentially of interlocking quartz crystals
Source: WordNet 3.0
-
Massive quartz occurring as a rock; a metamorphosed sandstone; -- called also <i>quartz rock</i>.
Source: webster1913