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rock

 - 13 dictionary results
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rock

1  [rok]
Use rock in a Sentence
–noun
1. a large mass of stone forming a hill, cliff, promontory, or the like.
2. Geology.
a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water.
b. a particular kind of such matter: igneous rock.
3. stone in the mass: buildings that stand upon rock.
4. a stone of any size.
5. something resembling or suggesting a rock.
6. a firm foundation or support: The Lord is my rock.
7. Chiefly British. a kind of hard candy, variously flavored.
8. rock candy.
9. Often, rocks. Slang.
a. a piece of money.
b. a dollar bill.
10. Slang.
a. a diamond.
b. any gem.
11. Slang.
a. crack (def. 41).
b. a pellet or lump of crack.
—Idioms
12. between a rock and a hard place, between undesirable alternatives.
13. get one's rocks off, Slang: Vulgar. to have an orgasm.
14. on the rocks,
a. Informal. in or into a state of disaster or ruin: Their marriage is on the rocks.
b. Informal. without funds; destitute; bankrupt.
c. (of a beverage, esp. liquor or a cocktail) with, or containing, ice cubes: Scotch on the rocks; a vodka martini on the rocks.
Origin:
1300–50; 1905–10 for def. 10; ME rokk(e) < OF ro(c)que, roche (cf. roche alum ); cf. Sp, Pr roca, It rocca, ML rocha, rocca (> late OE -rocc in stānrocc “stone-rock”)

Related forms:
rockless, adjective
rocklike, adjective
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rock

2  [rok]
–verb (used without object)
1. to move or sway to and fro or from side to side.
2. to be moved or swayed powerfully with excitement, emotion, etc.
3. Mining. (of sand or gravel) to be washed in a cradle.
4. to dance to or play rock music.
5. (of popular music) to have the driving beat characteristic of rock.
–verb (used with object)
6. to move or sway to and fro or from side to side, esp. gently and soothingly.
7. to lull in security, hope, etc.
8. to affect deeply; stun; move or sway powerfully, as with emotion: Everyone in the courtroom was rocked by the verdict.
9. to shake or disturb violently: A thunderous explosion rocked the waterfront.
10. Graphic Arts. to roughen the surface of (a copperplate) with a rocker preparatory to scraping a mezzotint.
11. Mining. cradle (def. 22).
–noun
12. a rocking movement: the gentle rock of the boat.
13. rock-'n'-roll (def. 1).
–adjective
14. rock-'n'-roll (def. 3).
—Idiom
15. rock the boat, Informal. to disrupt the smooth functioning or routine of something: Don't rock the boat by demanding special treatment from management.
Origin:
bef. 1100; ME rocken, OE roccian; c. MD rocken; akin to G rücken; ON rykkja to jerk

Related forms:
rock⋅a⋅ble, adjective
rock⋅ing⋅ly, adverb

Synonyms:
1. roll, shake. See swing 1 .

rock

3  [rok]
–noun
striped bass.
Origin:
1690–1700; short for rockfish

Rock

  [rok]
–noun
a male given name.

crack

  [krak]
–verb (used without object)
1. to break without complete separation of parts; become fissured: The plate cracked when I dropped it, but it was still usable.
2. to break with a sudden, sharp sound: The branch cracked under the weight of the snow.
3. to make a sudden, sharp sound in or as if in breaking; snap: The whip cracked.
4. (of the voice) to break abruptly and discordantly, esp. into an upper register, as because of weariness or emotion.
5. to fail; give way: His confidence cracked under the strain.
6. to succumb or break down, esp. under severe psychological pressure, torture, or the like: They questioned him steadily for 24 hours before he finally cracked.
7. Chemistry. to decompose as a result of being subjected to heat.
8. Chiefly South Midland and Southern U.S. to brag; boast.
9. Chiefly Scot. to chat; gossip.
–verb (used with object)
10. to cause to make a sudden sharp sound: The driver cracked the whip.
11. to break without complete separation of parts; break into fissures.
12. to break with a sudden, sharp sound: to crack walnuts.
13. to strike and thereby make a sharp noise: The boxer cracked his opponent on the jaw.
14. to induce or cause to be stricken with sorrow or emotion; affect deeply.
15. to utter or tell: to crack jokes.
16. to cause to make a cracking sound: to crack one's knuckles.
17. to damage, weaken, etc.: The new evidence against him cracked his composure.
18. to make mentally unsound.
19. to make (the voice) harsh or unmanageable.
20. to solve; decipher: to crack a murder case.
21. Informal. to break into (a safe, vault, etc.).
22. Chemistry. to subject to the process of cracking, as in the distillation of petroleum.
23. Informal. to open and drink (a bottle of wine, liquor, beer, etc.).
–noun
24. a break without complete separation of parts; fissure.
25. a slight opening, as between boards in a floor or wall, or between a door and its doorpost.
26. a sudden, sharp noise, as of something breaking.
27. the snap of or as of a whip.
28. a resounding blow: He received a terrific crack on the head when the branch fell.
29. Informal. a witty or cutting remark; wisecrack.
30. a break or change in the flow or tone of the voice.
31. Informal. opportunity; chance; try: Give him first crack at the new job.
32. a flaw or defect.
33. Also called rock. Slang. pellet-size pieces of highly purified cocaine, prepared with other ingredients for smoking, and known to be especially potent and addicting.
34. Masonry. check 1 (def. 41).
35. a mental defect or deficiency.
36. a shot, as with a rifle: At the first crack, the deer fell.
37. a moment; instant: He was on his feet again in a crack.
38. Slang. a burglary, esp. an instance of housebreaking.
39. Chiefly British. a person or thing that excels in some respect.
40. Slang: Vulgar. the vulva.
41. Chiefly Scot. conversation; chat.
42. British Dialect. boasting; braggadocio.
43. Archaic. a burglar.
–adjective
44. first-rate; excellent: a crack shot.
–adverb
45. with a cracking sound.
—Verb phrases
46. crack down, to take severe or stern measures, esp. in enforcing obedience to laws or regulations: The police are starting to crack down on local drug dealers.
47. crack off, to cause (a piece of hot glass) to fall from a blowpipe or punty.
48. crack on, Nautical.
a. (of a sailing vessel) to sail in high winds under sails that would normally be furled.
b. (of a power vessel) to advance at full speed in heavy weather.
49. crack up, Informal.
a. to suffer a mental or emotional breakdown.
b. to crash, as in an automobile or airplane: He skidded into the telephone pole and cracked up.
c. to wreck an automobile, airplane, or other vehicle.
d. to laugh or to cause to laugh unrestrainedly: That story about the revolving door really cracked me up. Ed cracked up, too, when he heard it.
—Idioms
50. crack a book, Informal. to open a book in order to study or read: He hardly ever cracked a book.
51. crack a smile, Informal. to smile.
52. crack wise, Slang. to wisecrack: We tried to be serious, but he was always cracking wise.
53. fall through the cracks, to be overlooked, missed, or neglected: In any inspection process some defective materials will fall through the cracks. Also, slip between the cracks.
54. get cracking, Informal.
a. to begin moving or working; start: Let's get cracking on these dirty dishes!
b. to work or move more quickly.
Origin:
bef. 1000; ME crak(k)en (v.), crak (n.), OE cracian to resound; akin to G krachen, D kraken (v.), and G Krach, D krak (n.)

Related forms:
crack⋅a⋅ble, adjective
crackless, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To rock
rock 1   (rŏk)   
n.  

  1. Relatively hard, naturally formed mineral or petrified matter; stone.

    1. A relatively small piece or fragment of such material.

    2. A relatively large body of such material, as a cliff or peak.

    3. A varicolored stick candy.

    4. Rock candy.

  3. A naturally formed aggregate of mineral matter constituting a significant part of the earth's crust.

  4. One that is similar to or suggestive of a mass of stone in stability, firmness, or dependability: The family has been his rock during this difficult time.

  5. rocks Slang Money.

  6. Slang A large gem, especially a diamond.

  7. Slang Crack cocaine.

    1. A varicolored stick candy.

    2. Rock candy.


[Middle English, from Old North French roque, from Vulgar Latin *rocca.]
rock 2   (rŏk)   
v.   rocked, rock·ing, rocks

v.   intr.

  1. To move back and forth or from side to side, especially gently or rhythmically.

  2. To sway violently, as from a blow or shock. See Synonyms at swing.

  3. To be washed and panned in a cradle or in a rocker. Used of ores.

  4. Music To play or dance to rock 'n' roll.

v.   tr.

  1. To move back and forth or from side to side, especially in order to soothe or lull to sleep.

  2. To cause to shake or sway violently. See Synonyms at agitate.

  3. To disturb the mental or emotional equilibrium of; upset: News of the scandal rocked the town.

  4. To wash or pan (ore) in a cradle or rocker.

  5. In mezzotint engraving, to roughen (a metal plate) with a rocker or roulette.

n.  

    1. A rocking motion.

    2. The act of rocking.

  2. Music Rock 'n' roll.


[Middle English rokken, from Old English roccian.]
rock'ing·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: crack
Pronunciation: 'krak
Function: noun
often attributive : a potent form of cocaine that is obtained by treating the hydrochloride ofcocaine with sodium bicarbonate to create small chips used illicitly usually for smoking

Main Entry: rock
Pronunciation: 'räk
Function: noun
1 : a small crystallized mass of crack cocaine
2 : CRACK called also rock cocaine
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

Rock (rŏk), John. 1890-1984.

American gynecologist and obstetrician who helped develop (1954) the first effective oral contraceptive.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
rock   (rŏk)  Pronunciation Key 

  1. 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.

  2. A piece of such material; a stone.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Bible Dictionary

Rock

(Heb. tsur), employed as a symbol of God in the Old Testament (1 Sam. 2:2; 2 Sam. 22:3; Isa. 17:10; Ps. 28:1; 31:2,3; 89:26; 95:1); also in the New Testament (Matt. 16:18; Rom. 9:33; 1 Cor. 10:4). In Dan. 2:45 the Chaldaic form of the Hebrew word is translated "mountain." It ought to be translated "rock," as in Hab. 1:12 in the Revised Version. The "rock" from which the stone is cut there signifies the divine origin of Christ. (See STONE.)

Easton's 1897 Bible Dictionary
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Idioms & Phrases

rock

In addition to the idioms beginning with rock, also see between a rock and a hard place; on the rocks; steady as a rock.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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