phanerocrystalline

phanerocrystalline

[fan-uh-roh-kris-tl-in, -ahyn]
adjective Petrography.
(of a rock) having the principal constituents in the form of crystals visible to the naked eye.
Also, phaneritic [fan-uh-rit-ik] .


Origin:
1860–65; < Greek phaneró(s) visible, manifest + crystalline

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World English Dictionary
phanerocrystalline (ˌfænərəʊˈkrɪstəlɪn, -ˌlaɪn)
 
adj
(of igneous and metamorphic rocks) having a crystalline structure in which the crystals are large enough to be seen with the naked eye
 
[C19: from Greek phaneros visible + crystalline]

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