- any of several large crystals that are embedded in a mass of smaller crystals in igneous rocks such as porphyry
单词 | phenocryst |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 phe•no•cryst (fē′nə krist, fen′ə-),USA pronunciation n. [Petrol.]
Collins Concise English Dictionary © HarperCollins Publishers:: phenocryst /ˈfiːnəˌkrɪst
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