- (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
Also phan·er·it·ic [fan-uh-rit-ik] /ˌfæn əˈrɪt ɪk/.
Origin of phanerocrystalline
1860–65; < Greek phaneró(s) visible, manifest + crystalline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (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
- Of or relating to an igneous rock in which the crystals are so coarse that individual minerals can be distinguished with the naked eye. Phaneritic rocks are intrusive rocks that cooled slowly enough to allow significant crystal growth. Compare aphanitic.
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