Porphyrize
[pawr-fuh-rahyz] /ˈpɔr fəˌraɪz/
verb (used with object), porphyrized, porphyrizing.
1.
to subject to .
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porphyroblast (pôr-fîr’ē-ə-blāst’) A large crystal that is surrounded by a finer-grained matrix in a metamorphic rock. Porphyroblasts form by the recrystallization of existing mineral crystals during metamorphism. They are analogous to phenocrysts in igneous rock.
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/ˌpɔːfɪˈrɒpsɪn/ noun 1. a purple pigment occurring in the retina of the eye of certain freshwater fishes
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[pawr-fuh-roid] /ˈpɔr fəˌrɔɪd/ noun 1. a rock resembling . 2. a sedimentary rock that has been metamorphosed so as to leave some original crystals in a fine-textured, layered matrix. /ˈpɔːfɪˌrɔɪd/ adjective 1. (of metamorphic rocks) having a texture characterized by large crystals set in a finer groundmass noun 2. a metamorphic rock having this texture
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[pawr-fuh-ree] /ˈpɔr fə ri/ noun, plural porphyries. 1. a very hard rock, anciently quarried in Egypt, having a dark, purplish-red groundmass containing small crystals of feldspar. 2. Petrology. any igneous rock containing coarse crystals, as phenocrysts, in a finer-grained groundmass. [pawr-fuh-ree] /ˈpɔr fə ri/ noun 1. (Malchus) a.d. c233–c304, Greek philosopher. /ˈpɔːfɪrɪ/ noun (pl) -ries […]