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# rock

«rock» in Mova's school dictionary: **The hard, solid material that the Earth's surface is made of** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

noun (rock, rocks); verb (rock, rocks, rocked, rocking)

### meaning for a pupil

1) The hard, solid material that the Earth's surface is made of. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m1)

2) A large stone: "sitting on a rock". [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m2)

3) A kind of loud popular music with guitars and drums: "rock music". [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m3)

4) As a verb, to move gently from side to side or back and forth: "rock the baby". [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m4)

5) As a verb, to shake or shock: "The earthquake rocked the town." [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m5)

6) A hard sweet in a stick (British seaside rock). [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#m6)

### sense in the lessons

In science, there are three kinds of rock: igneous (from cooled lava), sedimentary (layers pressed together, may hold fossils) and metamorphic (changed by heat and pressure); rocks slowly wear into soil and sand. In safety: rocks at the sea are slippery; don't climb loose rocks. Phrases: rock pool, rock music, solid as a rock, rock bottom, on the rocks.

### examples

- This rock has a fossil in it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x1)
- We sat on a big rock. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x2)
- Rocks slowly break down into sand. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x3)
- Granite is a very hard rock. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x4)
- Rock the baby to sleep. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x5)
- The earthquake rocked the city. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x6)
- Look for crabs in the rock pools. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x7)
- My dad loves rock music. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x8)
- The ship had struck upon a rock. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/#x9)

### note

"A rock" is countable; "rock" as material is uncountable. In American English, "rock" can mean any stone, even a small one. "Rocking chair" rocks back and forth.

### In the corpora

- [Okean Elzy is a Ukrainian rock band formed in 1994 and popular for decades.](https://md.mova.elamur.ai/free/en/corpora/school/arts/5-the-songs-on-everyones-phone-streaming-playlists-earworms/14/)
- [Pop and rock concerts are loud and crowded; big festivals run for several days with many stages, and many fans wear earplugs.](https://md.mova.elamur.ai/free/en/corpora/school/arts/11-concerts-orchestras-and-live-gigs/7/)
- [The octopus's body heart stops while it swims, so swimming tires it quickly, and octopuses mostly crawl over the rocks instead.](https://md.mova.elamur.ai/free/en/corpora/school/biology/39-octopuses-squid-and-cuttlefish/6/)
- [Sea lions often squabble loudly over the best resting spots on the rocks.](https://md.mova.elamur.ai/free/en/corpora/school/biology/100-sea-lions-seals-and-otters/6/)
- [Sally Lightfoot crabs are bright red crabs that leap from rock to rock, eat algae and pick ticks off marine iguanas.](https://md.mova.elamur.ai/free/en/corpora/school/biology/180-the-galapagos-giant-tortoises-sea-iguanas-darwins-finches-and-tame-sea-lions/16/)

### Trees and pragmatics

[Every meaning and example of «rock» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/rock/), each sentence with its dependency tree and frames.