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...

Peperino :: Peperino (n.) A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc..

Volcanity :: Volcanity (n.) The quality or state of being volcanic, or volcanic origin; volcanicity..

Volcanian :: Volcanian (a.) Volcanic.

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

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

Vulcanian :: Vulcanian (a.) Volcanic.

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

Crystallite :: Crystallite (n.) A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc..

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..

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

Volcanicity :: Volcanicity (n.) Quality or state of being volcanic; volcanic power.

Mascagnite :: Mascagnite (n.) Native sulphate of ammonia, found in volcanic districts; -- so named from Mascagni, who discovered it..

Pearlstone :: Pearlstone (n.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic..

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

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

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..

Volcanize :: Volcanize (v. t.) To subject to, or cause to undergo, volcanic heat, and to be affected by its action..

Trass :: Trass (n.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; -- sometimes used as a cement. Hence, a coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water..

Vulcanicity :: Vulcanicity (n.) Volcanicity.

Leucite :: Leucite (n.) A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash. It is found in the volcanic rocks of Italy, especially at Vesuvius..

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