noun[mass noun] Geology
A hard, dense, fine-grained siliceous rock resembling chert, with a high content of microcrystalline quartz.
- Novaculite is a sedimentary rock composed mostly of microcrystalline quartz.
Late 18th century: from Latin novacula 'razor' + -ite1.
For editors and proofreaders
Line breaks: nov¦acu|lite
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