Phenocryst
[fee-nuh-krist, fen-uh-] /ˈfi nə krɪst, ˈfɛn ə-/
noun, Petrology.
1.
any of the conspicuous in a porphyritic rock.
/ˈfiːnəˌkrɪst; ˈfɛn-/
noun
1.
any of several large crystals that are embedded in a mass of smaller crystals in igneous rocks such as porphyry
phenocryst
(fē’nə-krĭst’)
A large crystal that is surrounded by a finer-grained matrix in an igneous rock. Phenocrysts are usually the first crystals to form from a cooling magma, and therefore have sufficient room to grow to a large size. They are analogous to porphyroblasts in metamorphic rock.
Read Also:
- Phenodeviant
phenodeviant phe·no·de·vi·ant (fē’nō-dē’vē-ənt) n. An individual with a phenotype significantly different from that of the population to which it belongs.
- Phenogram
[fee-nuh-gram] /ˈfi nəˌgræm/ noun, Biology. 1. a diagram depicting taxonomic relationships among organisms based on overall similarity of many characteristics without regard to evolutionary history or assumed significance of specific characters: usually generated by computer.
- Phenol
[fee-nawl, -nol] /ˈfi nɔl, -nɒl/ noun, Chemistry. 1. Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water-soluble, poisonous mass, C 6 H 5 OH, obtained from coal tar, or a hydroxyl derivative of benzene: used chiefly as a disinfectant, as an antiseptic, and in organic synthesis. 2. any analogous hydroxyl derivative of […]
- Phenolate
[feen-l-eyt] /ˈfin lˌeɪt/ noun 1. Also called phenoxide. a salt of phenol, as sodium phenolate, C 6 H 5 ONa. verb (used with object), phenolated, phenolating. 2. to treat, impregnate, or disinfect with phenol; carbolize. /ˈfiːnəˌleɪt/ verb 1. (transitive) Also carbolize. to treat or disinfect with phenol noun 2. another name (not in technical usage) […]
- Phenolated
[feen-l-ey-tid] /ˈfin lˌeɪ tɪd/ adjective, Chemistry. 1. containing ; carbolated. [feen-l-eyt] /ˈfin lˌeɪt/ noun 1. Also called phenoxide. a salt of phenol, as sodium phenolate, C 6 H 5 ONa. verb (used with object), phenolated, phenolating. 2. to treat, impregnate, or disinfect with phenol; carbolize. /ˈfiːnəˌleɪt/ verb 1. (transitive) Also carbolize. to treat or disinfect […]