Variolite
Variolite Va"ri*o*lite, n. [L. varius various + -lite: cf. F. variolite.] (Geol.) A kind of diorite or diabase containing imbedded whitish spherules, which give the rock a spotted appearance. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • variolite — ● variolite nom féminin (de variolé) Roche basaltique à sphérolites d albite, que l on trouve en galets dans la Durance et qui correspond à des fragments d écorce de pillow lavas. variolite [vaʀjɔlit] n. f. ÉTYM. Mil. XXe; de variole, et ite. ❖ ♦ …   Encyclopédie Universelle

  • variolite — [ver′ē ə līt΄] n. 〚Ger variolit < ML variola (see VARIOLA): from its pitted surface〛 Geol. any igneous rock containing varioles * * * var·i·o·lite (vârʹē ə līt , vărʹ ) n. A basic rock whose pockmarked appearance is caused by the presence of num …   Universalium

  • variolite — [ver′ē ə līt΄] n. [Ger variolit < ML variola (see VARIOLA): from its pitted surface] Geol. any igneous rock containing varioles …   English World dictionary

  • Variolite — Variolites (Latin varius , speckled, variegated ) are a group of dark green basic igneous rocks that, especially on weathered surfaces, exhibit pale colored spots, or spherules, that give them a pockmarked appearance. In some conditions these… …   Wikipedia

  • Variolite — La variolite, du latin « variola » est une roche de texture compacte de couleur vert clair, dont le relief présente de petits boutons blanchâtres en forme de pustules qui lui a valu son nom, attribué par le géologue et minéralogiste… …   Wikipédia en Français

  • variolite — (va ri o li t ) s. f. Roche de cristallisation, constituée par une pâte de pétrosilex de diverses couleurs, renfermant des noyaux sphéroïdaux de pétrosilex, dont la couleur diffère de celle de la pâte, dite aussi pierre à picot, pierre de la… …   Dictionnaire de la Langue Française d'Émile Littré

  • variolite — GLOSSARY OF VOLCANIC TERMS A spherulite like radiating aggregate composed of feathery, needle like crystals of plagioclase and pyroxene that occur in mafic volcanic rocks (typically basalt). Variolites may result from devitrification, but are… …   Glossary of volcanic terms

  • variolite — var·i·o·lite …   English syllables

  • variolite — /ˈvɛəriəlaɪt/ (say vairreeuhluyt) noun any of certain fine grained, basic igneous rocks containing light coloured spherules, which, especially on weathered surfaces, give them a pockmarked appearance. {variol(a) + ite1} …   Australian English dictionary

  • variolite — n. a rock with embedded small spherical masses causing on its surface an appearance like smallpox pustules. Derivatives: variolitic adj. Etymology: as VARIOLE + ITE(1) …   Useful english dictionary

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