Search results
- 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"
A relatively hard, naturally occurring mineral material. Rock can consist of a single mineral or of several minerals that are either tightly compacted or held together by a cementlike mineral matrix. The three main types of rock are igneous, sedimentary, and metamorphic.
Definition of rock noun from the Oxford Advanced Learner's Dictionary. rock. noun. /rɒk/ /rɑːk/ Idioms. hard material. [uncountable, countable] the hard solid material that forms part of the surface of the earth and some other planets. They drilled through several layers of rock to reach the oil.
Britannica Dictionary definition of ROCK. 1. : to move (someone or something) back and forth or from side to side. [+ object] She gently rocked the baby to sleep. Waves rocked the boat. [no object] He rocked back and forth while he stood waiting. The boat rocked back and forth on the waves. 2. [+ object] : to cause (something) to shake violently.
Aug 3, 2023 · rock noun 1. Meaning & use. I. Literal uses. I.1. Old English–. A large rugged mass of hard mineral material (see sense I.2a) or stone forming a cliff, crag, or other natural feature on land or in the sea. Cf. stone n. 1b. Recorded earliest in stonerock n. OE. Scopulorum : saxorum eminentium, stanrocca uel torra.
A rock is hence defined as a solid naturally occurring mass of consolidated mineral matter. This is because rocks are made up of granules of different minerals that form bigger and hard masses. In simple terms, a rock is made up of two or more minerals and can also contain organic compounds.
6 days ago · 1. uncountable noun. Rock is the hard substance which the earth is made of. The hills above the valley are bare rock. 2. countable noun. A rock is a large piece of rock that sticks up out of the ground or the sea, or that has broken away from a mountain or a cliff. She sat cross-legged on the rock. Synonyms: stone, boulder More Synonyms of rock.
Vocabulary. crystallization. erosion. igneous rock. metamorphic rock. metamorphism. outcrop. precipitate. rock cycle. sedimentary rock. sedimentation. weathering. Introduction. There are three types of rocks: igneous, sedimentary and metamorphic. Each of these types is part of the rock cycle.
