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单词 syenite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sy•e•nite  (sīə nīt′),USA pronunciation n. 
  1. Rocksa granular igneous rock consisting chiefly of orthoclase and oligoclase with hornblende, biotite, or augite.
  • Greek syēní̄tēs (líthos); see -ite1
  • Latin syēnītēs (lapis) (stone) of Syene
  • 1790–1800;
sy•e•nit•ic  (sī′ə nitik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
syenite /ˈsaɪəˌnaɪt/ n
  1. a light-coloured coarse-grained plutonic igneous rock consisting of feldspars with hornblende or biotite
Etymology: 18th Century: from French syénite, from Latin syēnītēs lapis stone from Syene (Aswan), where it was originally quarried

syenitic /ˌsaɪəˈnɪtɪk/ adj
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