"Solfatara" is a word in ENGLISH
A volcanic area or vent which yields only sulphur
vapors, steam, and the like. It represents the stages of the volcanic
activity.
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WORD SUGGESTIONS
A mass of angular volcanic fragments united by heat; -- distinguished from conglomerate.
Read the complete definitionMinute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.
Read the complete definitionbolkán - (Sp. volcan) Volcano.
Read the complete definitionA mineral, composed of silica, magnesia, and iron, of a yellow to green color. It is common in certain volcanic …
Read the complete definitionAnything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater …
Read the complete definitionA minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline …
Read the complete definitionProduced by eruption; as, eruptive rocks, such as the igneous or volcanic.
Read the complete definitionPertaining to Etna, a volcanic mountain in Sicily.
Read the complete definitionA variety of opal occuring in the cavities of volcanic tufa, in smooth and shining globular and botryoidal masses, having …
Read the complete definitionA hole or spot in a volcanic or other region, from which fumes issue.
Read the complete definitionA low, oven-shaped mound, common in volcanic regions, and emitting smoke and vapors from its sides and summit.
Read the complete definitionSituated between hills; -- applied especially to valleys lying between volcanic cones.
Read the complete definitionVolcanic ashes, consisting of small, angular, stony fragments or particles.
Read the complete definitionA mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash. It …
Read the complete definitionA spherulitic cavity often with concentric chambers, observed in some volcanic rocks, as in rhyolitic lavas. It is supposed to …
Read the complete definitionNative sulphate of ammonia, found in volcanic districts; -- so named from Mascagni, who discovered it.
Read the complete definitionA glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the …
Read the complete definitionA volcanic rock, formed by the cementing together of sand, scoria, cinders, etc.
Read the complete definitionVolcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.
Read the complete definitionA very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving …
Read the complete definition