Definition of lava

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Lava (n.) The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States..

Lern More About Lava

Scoria :: Scoria (n.) Cellular slaggy lava; volcanic cinders.
Pumice :: Pumice (n.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone..
Flood :: Flood (v. i.) A great flow or stream of any fluid substance; as, a flood of light; a flood of lava; hence, a great quantity widely diffused; an overflowing; a superabundance; as, a flood of bank notes; a flood of paper currency..
Stream :: Stream (n.) A current of water or other fluid; a liquid flowing continuously in a line or course, either on the earth, as a river, brook, etc., or from a vessel, reservoir, or fountain; specifically, any course of running water; as, many streams are blended in the Mississippi; gas and steam came from the earth in streams; a stream of molten lead from a furnace; a stream of lava from a volcano..
Lava :: Lava (n.) The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States..
Vesbium :: Vesbium (n.) A rare metallic element of which little is known. It is said by Scacchi to have been extracted from a yellowish incrustation from the cracks of a Vesuvian lava erupted in 1631.
Doleritic :: Doleritic (a.) Of the nature of dolerite; as, much lava is doleritic lava..
Calycozoa :: Calycozoa (n. pl.) A group of acalephs of which Lucernaria is the type. The body is cup-shaped with eight marginal lobes bearing clavate tentacles. An aboral sucker serves for attachment. The interior is divided into four large compartments. See Lucernarida.
Velvetleaf :: Velvetleaf (n.) A name given to several plants which have soft, velvety leaves, as the Abutilon Avicennae, the Cissampelos Pareira, and the Lavatera arborea, and even the common mullein..
Amygdaloid :: Amygdaloid (n.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava..
Maid :: Maid (n.) The female of a ray or skate, esp. of the gray skate (Raia batis), and of the thornback (R. clavata)..
Lavatory :: Lavatory (n.) A place for washing.
Uprush :: Uprush (n.) Act of rushing upward; an upbreak or upburst; as, an uprush of lava..
Lavatory :: Lavatory (n.) A basin or other vessel for washing in.
Lavaret :: Lavaret (n.) A European whitefish (Coregonus laveretus), found in the mountain lakes of Sweden, Germany, and Switzerland..
Stalactites :: Stalactite (n.) In an extended sense, any mineral or rock of similar form and origin; as, a stalactite of lava..
Magma :: Magma (n.) The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc..
Irrelavant :: Irrelavant (a.) Not relevant; not applicable or pertinent; not bearing upon or serving to support; foreign; extraneous; as, testimony or arguments irrelevant to a case..
Zeolite :: Zeolite (n.) A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite, analcime, chabazite, thomsonite, heulandite, and others. These species occur of secondary origin in the cavities of amygdaloid, basalt, and lava, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe..
Melilite :: Melilite (n.) A mineral occurring in small yellow crystals, found in the lavas (melilite basalt) of Vesuvius, and elsewhere..
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