Definition of rock

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Rock (n.) Any natural deposit forming a part of the earth's crust, whether consolidated or not, including sand, earth, clay, etc., when in natural beds..

Lern More About Rock

Cyathophylloid :: Cyathophylloid (n.) A fossil coral of the family Cyathophyllidae; sometimes extended to fossil corals of other related families belonging to the group Rugosa; -- also called cup corals. Thay are found in paleozoic rocks.
Brocket :: Brocket (n.) A small South American deer, of several species (Coassus superciliaris, C. rufus, and C. auritus)..
Jack :: "Jack (n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou..
Picrite :: Picrite (n.) A dark green igneous rock, consisting largely of chrysolite, with hornblende, augite, biotite, etc..
Vitreous :: Vitreous (a.) Consisting of, or resembling, glass; glassy; as, vitreous rocks..
Smock :: Smock (n.) A blouse; a smoock frock.
Trap :: Trap (n.) An old term rather loosely used to designate various dark-colored, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc., but including also some kinds of diorite. Called also trap rock..
Chain Wheel :: Chain wheel () A chain pulley, or sprocket wheel..
Stocky :: Stockwork (n.) A metalliferous deposit characterized by the impregnation of the mass of rock with many small veins or nests irregularly grouped. This kind of deposit is especially common with tin ore. Such deposits are worked in floors or stories.
Blast :: Blast (n.) The act of rending, or attempting to rend, heavy masses of rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also, the charge used for this purpose..
Talus :: Talus (n.) A sloping heap of fragments of rock lying at the foot of a precipice.
Rocker :: Rocker (n.) One who rocks; specifically, one who rocks a cradle..
Rocker :: Rocker (n.) Same as Rock shaft.
Paleechinoidea :: Paleechinoidea (n. pl.) An extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palaeechini.
Zonure :: Zonure (n.) Any one of several of South African lizards of the genus Zonura, common in rocky situations..
Tarrock :: Tarrock (n.) The young of the kittiwake gull before the first molt.
Cone-in-cone :: Cone-in-cone (a.) Consisting of a series of parallel cones, each made up of many concentric cones closely packed together; -- said of a kind of structure sometimes observed in sedimentary rocks..
Druse :: Druse (n.) A cavity in a rock, having its interior surface studded with crystals and sometimes filled with water; a geode..
Hauynite :: Hauynite (n.) A blue isometric mineral, characteristic of some volcani/ rocks. It is a silicate of alumina, lime, and soda, with sulphate of lime..
Breaker :: Breaker (n.) A wave breaking into foam against the shore, or against a sand bank, or a rock or reef near the surface..
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