variolite
/ˈvɛːrɪəlʌɪt/Geology
noun
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.
- Seven Sisters
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- Seventh-Day Adventist
- seventh heaven
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