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 rock is as below...

Alter :: Alter (v. i.) To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure..

Druse :: Druse (n.) A cavity in a rock, having its interior surface studded with crystals and sometimes filled with water; a geode..

Fahlband :: Fahlband (n.) A stratum in crystalline rock, containing metallic sulphides..

Saxicolous :: Saxicolous (a.) Growing on rocks.

Mosasauria :: Mosasauria (n. pl.) An order of large, extinct, marine reptiles, found in the Cretaceous rocks, especially in America. They were serpentlike in form and in having loosely articulated and dilatable jaws, with large recurved tteth, but they had paddlelike feet. Some of them were over fifty feet long. They are, essentially, fossil sea serpents with paddles. Called also Pythonomarpha, and Mosasauria..

Sea Gown :: Sea gown () A gown or frock with short sleeves, formerly worn by mariners..

Anorthite :: Anorthite (n.) A mineral of the feldspar family, commonly occurring in small glassy crystals, also a constituent of some igneous rocks. It is a lime feldspar. See Feldspar..

Jamb :: Jamb (n.) Any thick mass of rock which prevents miners from following the lode or vein.

Rockwork :: Rockwork (n.) Stonework in which the surface is left broken and rough.

Quebec Group :: Quebec group () The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.

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..

Yeldrine :: Yeldrine (n.) The yellow-hammer; -- called also yeldrock, and yoldrin..

Reefy :: Reefy (a.) Full of reefs or rocks.

Jack :: "Jack (n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou..

Sanidine :: Sanidine (n.) A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; -- called also glassy feldspar..

Breccia :: Breccia (n.) A rock composed of angular fragments either of the same mineral or of different minerals, etc., united by a cement, and commonly presenting a variety of colors..

Scarry :: Scarry (a.) Like a scar, or rocky eminence; containing scars..

Star :: Star (n.) A composition of combustible matter used in the heading of rockets, in mines, etc., which, exploding in the air, presents a starlike appearance..

Trout :: Trout (n.) Any one of several species of marine fishes more or less resembling a trout in appearance or habits, but not belonging to the same family, especially the California rock trouts, the common squeteague, and the southern, or spotted, squeteague; -- called also salt-water trout, sea trout, shad trout, and gray trout. See Squeteague, and Rock trout under Rock..

Tamping :: Tamping (n.) The act of one who tamps; specifically, the act of filling up a hole in a rock, or the branch of a mine, for the purpose of blasting the rock or exploding the mine..

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