Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of volcanic is as below...

Cone :: Cone (n.) Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater of a volcano, usually heaped up in a conical form..

Tufa :: Tufa () A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria..

Volcanically :: Volcanically (adv.) Like a volcano.

Volcanism :: Volcanism (n.) Volcanic power or action; volcanicity.

Belonite :: Belonite (n.) Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.

Volcanic :: Volcanic (a.) Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa..

Scoria :: Scoria (n.) Cellular slaggy lava; volcanic cinders.

Volcanic :: Volcanic (a.) Of or pertaining to a volcano or volcanoes; as, volcanic heat..

Lithophyse :: Lithophyse (n.) A spherulitic cavity often with concentric chambers, observed in some volcanic rocks, as in rhyolitic lavas. It is supposed to be produced by expanding gas, whence the name..

Etnean :: Etnean (a.) Pertaining to Etna, a volcanic mountain in Sicily..

Hornito :: Hornito (n.) A low, oven-shaped mound, common in volcanic regions, and emitting smoke and vapors from its sides and summit..

Fumarole :: Fumarole (n.) A hole or spot in a volcanic or other region, from which fumes issue..

Lapilli :: Lapilli (n. pl.) Volcanic ashes, consisting of small, angular, stony fragments or particles..

Volcanic :: Volcanic (a.) Changed or affected by the heat of a volcano.

Eruptive :: Eruptive (a.) Produced by eruption; as, eruptive rocks, such as the igneous or volcanic..

Volcanization :: Volcanization (n.) The act of volcanizing, or the state of being volcanized; the process of undergoing volcanic heat, and being affected by it..

Fiorite :: Fiorite (n.) A variety of opal occuring in the cavities of volcanic tufa, in smooth and shining globular and botryoidal masses, having a pearly luster; -- so called from Fiora, in Ischia..

Vesicle :: Vesicle (n.) A small cavity, nearly spherical in form, and usually of the size of a pea or smaller, such as are common in some volcanic rocks. They are produced by the liberation of watery vapor in the molten mass..

Agglomerate :: Agglomerate (n.) A mass of angular volcanic fragments united by heat; -- distinguished from conglomerate.

Sulphur :: Sulphur (n.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96..

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