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 igneous is as below...

Ligneous :: Ligneous (a.) Made of wood; consisting of wood; of the nature of, or resembling, wood; woody..

Dike :: Dike (n.) A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata..

Scintillate :: Scintillate (v. i.) To emit sparks, or fine igneous particles..

Viridite :: Viridite (n.) A greenish chloritic mineral common in certain igneous rocks, as diabase, as a result of alternation..

Gabbro :: Gabbro (n.) A name originally given by the Italians to a kind of serpentine, later to the rock called euphotide, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro)..

Augite :: Augite (n.) A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt; -- also used instead of the general term pyroxene..

Pyroligneous :: Pyroligneous (a.) Alt. of Pyroligni.

Lath-shaped :: Lath-shaped (a.) Having a slender elongated form, like a lath; -- said of the feldspar of certain igneous rocks, as diabase, as seen in microscopic sections..

Igneous :: Igneous (a.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks..

Albite :: Albite (n.) A mineral of the feldspar family, triclinic in crystallization, and in composition a silicate of alumina and soda. It is a common constituent of granite and of various igneous rocks. See Feldspar..

Pyroxene :: Pyroxene (n.) A common mineral occurring in monoclinic crystals, with a prismatic angle of nearly 90¡, and also in massive forms which are often laminated. It varies in color from white to dark green and black, and includes many varieties differing in color and composition, as diopside, malacolite, salite, coccolite, augite, etc. They are all silicates of lime and magnesia with sometimes alumina and iron. Pyroxene is an essential constituent of many rocks, especially basic igneous rocks, as basa

Woody :: Woody (a.) Consisting of, or containing, wood or woody fiber; ligneous; as, the woody parts of plants..

Ditroite :: Ditroite (n.) An igneous rock composed of orthoclase, elaeolite, and sodalite..

Dolerite :: Dolerite (n.) A dark-colored, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt..

Sida :: Sida (n.) A genus of malvaceous plants common in the tropics. All the species are mucilaginous, and some have tough ligneous fibers which are used as a substitute for hemp and flax..

Pyrogenous :: Pyrogenous (a.) Produced by fire; igneous.

Plutonism :: Plutonism (n.) The theory, early advanced in geology, that the successive rocks of the earth's crust were formed by igneous fusion; -- opposed to the Neptunian theory..

Diabase :: Diabase (n.) A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone..

Volcanist :: Volcanist (n.) One who believes in the igneous, as opposed to the aqueous, origin of the rocks of the earth's crust; a vulcanist. Cf. Neptunist..

Pitchstone :: Pitchstone (n.) An igneous rock of semiglassy nature, having a luster like pitch..

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