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词汇 variolite
释义

Definition of variolite in English:

variolite

noun ˈvɛːrɪəlʌɪt
Geology

  • A fine-grained igneous rock, often basaltic or andesitic, containing spherical or ovoid crystalline masses (typically pale and several millimetres in diameter) which give it a spotted or pockmarked appearance.

Origin

Late 18th century; earliest use found in The Monthly Review. From (i) Italian variolite.

Definition of variolite in US English:

variolite

nounˈvɛːrɪəlʌɪt
Geology

  • A fine-grained igneous rock, often basaltic or andesitic, containing spherical or ovoid crystalline masses (typically pale and several millimetres in diameter) which give it a spotted or pockmarked appearance.

Origin

Late 18th century; earliest use found in The Monthly Review. From (i) Italian variolite.
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