Definition of rock

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Rock (v. t.) To cause to sway backward and forward, as a body resting on a support beneath; as, to rock a cradle or chair; to cause to vibrate; to cause to reel or totter..

Lern More About Rock

Stegosauria :: Stegocephala (n. pl.) An extinct order of amphibians found fossil in the Mesozoic rocks; called also Stegocephali, and Labyrinthodonta..
Rocking :: Rocking (a.) Having a swaying, rolling, or back-and-forth movement; used for rocking..
Moco :: Moco (n.) A South American rodent (Cavia rupestris), allied to the Guinea pig, but larger; -- called also rock cavy..
Fell :: Fell (n.) A barren or rocky hill.
Lithophyse :: Lithophyse (n.) A spherulitic cavity often with concentric chambers, observed in some volcanic rocks, as in rhyolitic lavas. It is supposed to be produced by expanding gas, whence the name..
Zonure :: Zonure (n.) Any one of several of South African lizards of the genus Zonura, common in rocky situations..
Pegmatite :: Pegmatite (n.) More generally, a coarse granite occurring as vein material in other rocks..
Rocketer :: Rocketer (n.) A bird, especially a pheasant, which, being flushed, rises straight in the air like a rocket..
Crocked :: Crocked (imp. & p. p.) of Croc.
Hypogene :: Hypogene (a.) Formed or crystallized at depths the earth's surface; -- said of granite, gneiss, and other rocks, whose crystallization is believed of have taken place beneath a great thickness of overlying rocks. Opposed to epigene..
Rocker :: Rocker (n.) One of the curving pieces of wood or metal on which a cradle, chair, etc., rocks..
Petrography :: Petrography (n.) The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology.
Orthis :: Orthis (n.) An extinct genus of Brachiopoda, abundant in the Paleozoic rocks..
Reefy :: Reefy (a.) Full of reefs or rocks.
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..
Biotite :: Biotite (n.) Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica..
Rockery :: Rockery (n.) A mound formed of fragments of rock, earth, etc., and set with plants..
Trifoliated :: Trifoliated (a.) Having three leaves or leaflets, as clover. See Illust. of Shamrock..
Crystallite :: Crystallite (n.) A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc..
Sediment :: Sediment (n.) The material of which sedimentary rocks are formed.
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