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Any of various mottled greenish rocks, such as serpentinite.
[Middle English ophites, from Latin ophītēs, from Greek ophītēs (lithos), serpentlike (stone), from ophis, serpent.]
(Geological Science) any of several greenish mottled rocks with ophitic texture, such as dolerite and diabase
[C17: from Latin ophītēs, from Greek, from ophis snake: because the mottled appearance resembles the markings of a snake]
oph•ite(ˈɒf aɪt, ˈoʊ faɪt)
a diabase in which elongate crystals of plagioclase are embedded in pyroxene.
[1350–1400; Middle English ophites < Latin ophītēs serpentine stone < Greek ophitēs (líthos)]
o•phit•ic (ō fit′ik), adj.