| 释义 |
phenocryst
phe·no·cryst P0240400 (fē′nə-krĭst′)n. A conspicuous, usually large, crystal embedded in porphyritic igneous rock.
[pheno- + cryst(al).]
phe′no·crys′tic adj.phenocryst (ˈfiːnəˌkrɪst; ˈfɛn-) n (Geological Science) any of several large crystals that are embedded in a mass of smaller crystals in igneous rocks such as porphyry[C19: from pheno- (shining) + crystal]phe•no•cryst (ˈfi nə krɪst, ˈfɛn ə-)
n. any of the conspicuous crystals in a porphyritic rock. [1890–95; pheno- + cryst (al)]
phenocryst
phenocryst[′fēn·ə‚krist] (petrology) A large, conspicuous crystal in a porphyritic rock. Also known as phanerocryst. |