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1. Dictionary

   Rock

   /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"
   • ▪ a mass of rock projecting above the earth's surface or out of the sea: "there are dangerous rocks around the island" Similar cragclifftoroutcropoutcropping
   • ▪ any natural material, hard or soft (e.g. clay), having a distinctive mineral composition.
   • ▪ Gibraltar.
   • ▪ a name for Newfoundland informal Canadian
   • 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 stone of any size, especially one small enough to be picked up and used as a projectile: North American "the crowd threw a few rocks and dispersed" Similar boulderstoneinformal:goolie
   • ▪ a kind of hard confectionery in the form of cylindrical peppermint-flavored sticks: British "a stick of rock"
   • ▪ a precious stone, especially a diamond. informal Similar diamondprecious stonejewel
   • ▪ a small piece of crack cocaine: informal "crack sells for $20 a rock"
   • ▪ testicles. vulgar slang
   • 3. used to refer to someone or something that is extremely strong, reliable, or hard: "imagining himself as the last rock of civilization being swept over by a wave of barbarism" Similar foundationcornerstonesupportpropmainstaybackbonetower of strengthpillar of strengthbulwarkanchorsource of protectionsource of security
   • ▪ (especially with allusion to shipwrecks) a source of danger or destruction: "the new system is heading for the rocks"
   • 4. money. informal, dated US

   Word Origin Middle English: from Old French rocque, from medieval Latin rocca, of unknown ultimate origin.

   Derivatives

   • 1. rockless adjective
   • 2. rocklet noun
   • 3. rocklike adjective

   Scrabble Points: 10

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2. People also ask

   What is rock noun?

   • Definition of rock noun from the Oxford Advanced Learner's Dictionary [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. The tunnel was blasted out of solid rock. Questions about grammar and vocabulary?

   rock noun - Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/definition/english/rock_1

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   What does rock mean in slang?

   • Mining. (of sand or gravel) to be washed in a cradle. to dance to or play rock music. (of popular music) to have the driving beat characteristic of rock. Slang. to be very good, impressive, exciting, or effective: This show really rocks. to move or sway to and fro or from side to side, especially gently and soothingly: Oh, look!

   ROCK Definition & Meaning | Dictionary.com

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   What does rock mean historically?

   • The trouble is that the term rock describes an evolving musical practice informed by a variety of nonmusical arguments (about creativity, sincerity, commerce, and popularity). It makes more sense, then, to approach the definition of rock historically, with examples. The following musicians were crucial to rock’s history.

   Rock | Definition, History, Artists, Songs, & Facts | Britannica

   www.britannica.com/art/rock-music

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   What does it mean if someone is your rock?

   • There were some large rocks sticking up out of the water. The vivid pink of seaside rock is very attractive to a child. If someone is your rock, you feel that you can depend on them and that they will always support you. "He's always been my rock," said his lifelong friend and teammate. He picked up the baby and gently rocked her to sleep.

   ROCK | definition in the Cambridge English Dictionary

   dictionary.cambridge.org/us/dictionary/english/rock

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3. www.britannica.com › art › rock-musicRock | Definition, History, Artists, Songs, & Facts | Britannica

   www.britannica.com › art › rock-music

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   4 days ago · Rock, form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United States and spread to other English-speaking countries and across Europe in the 1960s.

4. dictionary.cambridge.org › us › dictionaryROCK | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   Meaning of rock in English. rock. noun. us / rɑːk / uk / rɒk / rock noun (STONE) Add to word list. B1 [ C or U ] the dry solid part of earth's surface, or any large piece of this that sticks up out of the ground or the sea: Mountains and cliffs are formed from rock. The boat struck a rock outside the bay and sank.

5. cosmosmagazine.com › explainer-what-is-a-rockExplainer: What is a rock? - Cosmos

   cosmosmagazine.com › explainer-what-is-a-rock

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   Apr 27, 2021 · The definition of a rock is a bit woolly, often contradictory, and hard to pin down – even for geologists. In the broadest sense, a rock is a collection of other things. Officially, it is a...

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6. www.britannica.com › dictionary › rockRock Definition & Meaning | Britannica Dictionary

   www.britannica.com › dictionary › rock

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   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.

7. www.dictionary.com › browse › rockROCK Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › rock

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   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: They have been a rock in my world, always there when I need a message of hope.

8. www.oxfordlearnersdictionaries.com › definitionrock noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

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   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.

9. en.wikipedia.org › wiki › Rock_and_rollRock and roll - Wikipedia

   en.wikipedia.org › wiki › Rock_and_roll

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   Rock and roll (often written as rock & roll, rock-n-roll, rock 'n' roll, rock n' roll or Rock n' Roll) is a genre of popular music that evolved in the United States during the late 1940s and early 1950s.