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

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..
Teetuck :: Teetuck (n.) The rock pipit.
Prairie :: Prairie (n.) An extensive tract of level or rolling land, destitute of trees, covered with coarse grass, and usually characterized by a deep, fertile soil. They abound throughout the Mississippi valley, between the Alleghanies and the Rocky mountains..
Skylark :: Skylark (n.) A lark that mounts and sings as it files, especially the common species (Alauda arvensis) found in Europe and in some parts of Asia, and celebrated for its melodious song; -- called also sky laverock. See under Lark..
Biotite :: Biotite (n.) Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica..
Shipwreck :: Shipwreck (v. t.) To destroy, as a ship at sea, by running ashore or on rocks or sandbanks, or by the force of wind and waves in a tempest..
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.
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.
Rack :: Rack (v.) To amble fast, causing a rocking or swaying motion of the body; to pace; -- said of a horse..
Joint :: "Joint (n.) A plane of fracture, or divisional plane, of a rock transverse to the stratification..
Gneissoid :: Gneissoid (a.) Resembling gneiss; having some of the characteristics of gneiss; -- applied to rocks of an intermediate character between granite and gneiss, or mica slate and gneiss..
Scopulous :: Scopulous (a.) Full of rocks; rocky.
Crock :: Crock (v. t.) To soil by contact, as with soot, or with the coloring matter of badly dyed cloth..
Terrane :: Terrane (n.) A group of rocks having a common age or origin; -- nearly equivalent to formation, but used somewhat less comprehensively..
Rockfish :: Rockfish (n.) The striped bass. See Bass.
Petrous :: Petrous (a.) Like stone; hard; stony; rocky; as, the petrous part of the temporal bone..
Crocking :: Crocking (p. pr. & vb. n.) of Croc.
Taring :: Taring (n.) The common tern; -- called also tarret, and tarrock..
Gritrock :: Gritrock (n.) Alt. of Gritston.
Sprod :: Sprocket wheel () Same as Chain wheel.
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