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- DictionaryRock/räk/
noun
- 1. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans: "the beds of rock are slightly tilted"
- 2. a large piece of rock which has become detached from a cliff or mountain; a boulder: "the stream flowed through a jumble of rocks"
The meaning of ROCK is to move back and forth in or as if in a cradle. How to use rock in a sentence. Synonym Discussion of Rock.
ROCK definition: 1. the dry solid part of the earth's surface, or any large piece of this that sticks up out of the…. Learn more.
something resembling or suggesting a stone or mass of stone. Geology. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water. a particular kind of such matter: igneous rock. a firm foundation or support:
5 days ago · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. The three major classes of rock are igneous, sedimentary, and metamorphic rock.
noun. uk / rɒk / us. rock noun (SUBSTANCE) Add to word list. B1. the hard, natural substance that forms part of the Earth's surface: a layer of volcanic rock. Fewer examples. They blasted a hole in the rock face. I'm too much of a wimp to go rock climbing. The house is built on a layer of porous rock.
Definition of rock noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
1. Relatively hard, naturally formed mineral or petrified matter; stone. 2. a. A relatively small piece or fragment of such material. b. A relatively large body of such material, as a cliff or peak. 3. A naturally formed aggregate of mineral matter constituting a significant part of the earth's crust.
