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单词 metacryst
释义

Definition of metacryst in English:

metacryst

noun ˈmɛtəkrɪst
Geology

  • A large crystal formed in a metamorphic rock by recrystallization, surrounded by a finer-grained groundmass of other metamorphic crystals; a porphyroblast.

Origin

Early 20th century. From meta- + cryst-, after phenocryst, xenocryst.

 
 

Definition of metacryst in US English:

metacryst

nounˈmɛtəkrɪst
Geology

  • A large crystal formed in a metamorphic rock by recrystallization, surrounded by a finer-grained groundmass of other metamorphic crystals; a porphyroblast.

Origin

Early 20th century. From meta- + cryst-, after phenocryst, xenocryst.

 
 
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更新时间：2024/11/13 11:13:41