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...

Trachyte :: Trachyte (n.) An igneous rock, usually light gray in color and breaking with a rough surface. It consists chiefly of orthoclase feldspar with sometimes hornblende and mica..

Basalt :: Basalt (n.) A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated..

Lignify :: Lignify (v. t.) To convert into wood or into a ligneous substance.

Scintillant :: Scintillant (a.) Emitting sparks, or fine igneous particles; sparkling..

Laccolith :: Laccolith (n.) A mass of igneous rock intruded between sedimentary beds and resulting in a mammiform bulging of the overlying strata.

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..

Greenstone :: Greenstone (n.) A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc..

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..

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

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

Mineral :: Mineral (v. i.) An inorganic species or substance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals..

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

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..

Diorite :: Diorite (n.) An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone..

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

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.

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..

Random Fonts

Most Popular