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variolite

[ vair-ee-uh-lahytvar- ]

noun

, Petrology.
  1. a rock embedded with varioles; a variolitic rock.


variolite

/ ˈvɛərɪəˌlaɪt; ˌvɛərɪəˈlɪtɪk /

noun

  1. any basic igneous rock containing rounded bodies (varioles) consisting of radiating crystal fibres


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Derived Forms

  • variolitic, adjective

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Word History and Origins

Origin of variolite1

First recorded in 1780–85; probably from New Latin variolītēs, from Medieval Latin variola variola ( def ) + -ītēs noun suffix; -ite 1( def )

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Word History and Origins

Origin of variolite1

C18: from variola , referring to the pockmarked appearance of the rock

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variolevariolitic