The difference between Crack and Rock

When used as nouns, crack means a thin and usually jagged space opened in a previously solid material, whereas rock means the naturally occurring aggregate of solid mineral matter that constitutes a significant part of the earth's crust.

When used as verbs, crack means to form cracks, whereas rock means to move gently back and forth.

Crack is also adjective with the meaning: highly trained and competent.

check bellow for the other definitions of Crack and Rock

  1. Crack as a verb (intransitive):

    To form cracks.

    Examples:

    "It's been so dry, the ground is starting to crack."

  2. Crack as a verb (intransitive):

    To break apart under pressure.

    Examples:

    "When I tried to stand on the chair, it cracked."

  3. Crack as a verb (intransitive):

    To become debilitated by psychological pressure.

    Examples:

    "Anyone would crack after being hounded like that."

  4. Crack as a verb (intransitive):

    To break down or yield, especially under interrogation or torture.

    Examples:

    "When we showed him the pictures of the murder scene, he cracked."

  5. Crack as a verb (intransitive):

    To make a cracking sound.

    Examples:

    "The bat cracked with authority and the ball went for six."

  6. Crack as a verb (intransitive, of a voice):

    To change rapidly in register.

    Examples:

    "His voice cracked with emotion."

  7. Crack as a verb (intransitive, of a pubescent boy's voice):

    To alternate between high and low register in the process of eventually lowering.

    Examples:

    "His voice finally cracked when he was fourteen."

  8. Crack as a verb (intransitive):

    To make a sharply humorous comment.

    Examples:

    "I would too, with a face like that," she cracked."

  9. Crack as a verb (transitive):

    To make a crack or cracks in.

    Examples:

    "The ball cracked the window."

  10. Crack as a verb (transitive):

    To break open or crush to small pieces by impact or stress.

    Examples:

    "You'll need a hammer to crack a black walnut."

  11. Crack as a verb (transitive):

    To strike forcefully.

    Examples:

    "She cracked him over the head with her handbag."

  12. Crack as a verb (transitive):

    To open slightly.

    Examples:

    "Could you please crack the window?"

  13. Crack as a verb (transitive):

    To cause to yield under interrogation or other pressure. (Figurative)

    Examples:

    "They managed to crack him on the third day."

  14. Crack as a verb (transitive):

    To solve a difficult problem.

    Examples:

    "I've finally cracked it, and of course the answer is obvious in hindsight."

  15. Crack as a verb (transitive):

    To overcome a security system or a component.

    Examples:

    "It took a minute to crack the lock, three minutes to crack the security system, and about twenty minutes to crack the safe."

    "They finally cracked the code."

  16. Crack as a verb (transitive):

    To cause to make a sharp sound.

    Examples:

    "to crack a whip"

  17. Crack as a verb (transitive):

    To tell (a joke).

    Examples:

    "The performance was fine until he cracked that dead baby joke."

  18. Crack as a verb (transitive, chemistry, informal):

    To break down (a complex molecule), especially with the application of heat: to pyrolyse.

    Examples:

    "Acetone is cracked to ketene and methane at 700°C."

  19. Crack as a verb (transitive, computing):

    To circumvent software restrictions such as regional coding or time limits.

    Examples:

    "That software licence will expire tomorrow unless we can crack it."

  20. Crack as a verb (transitive, informal):

    To open a canned beverage, or any packaged drink or food.

    Examples:

    "I'd love to crack open a beer."

    "Let's crack a [[tube]] and watch the game."

  21. Crack as a verb (obsolete):

    To brag, boast.

  22. Crack as a verb (archaic, colloquial):

    To be ruined or impaired; to fail.

  1. Crack as a noun:

    A thin and usually jagged space opened in a previously solid material.

    Examples:

    "A large crack had formed in the roadway."

  2. Crack as a noun:

    A narrow opening.

    Examples:

    "We managed to squeeze through a crack in the rock wall."

    "Open the door a crack."

  3. Crack as a noun:

    A sharply humorous comment; a wisecrack.

    Examples:

    "I didn't appreciate that crack about my hairstyle."

  4. Crack as a noun:

    A potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.

  5. Crack as a noun (onomatopoeia):

    The sharp sound made when solid material breaks.

    Examples:

    "The crack of the falling branch could be heard for miles."

  6. Crack as a noun (onomatopoeia):

    Any sharp sound.

    Examples:

    "The crack of the bat hitting the ball."

  7. Crack as a noun (informal):

    An attempt at something.

    Examples:

    "I'd like to take a crack at that game."

  8. Crack as a noun (vulgar, slang):

    Vagina.

    Examples:

    "I'm so horny even the crack of dawn isn't safe!"

  9. Crack as a noun (informal):

    The space between the buttocks.

    Examples:

    "Pull up your pants! Your crack is showing."

  10. Crack as a noun (Northern England, Scotland, Ireland):

    Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.

    Examples:

    "The crack was good."

    "That was good crack."

    "He/she is quare good crack."

    "The party was great crack."

  11. Crack as a noun (Northern England, Scotland, Ireland):

    Business; events; news.

    Examples:

    "What's the crack?"

    "What's this crack about a possible merger."

  12. Crack as a noun (computing):

    A program or procedure designed to circumvent restrictions or usage limits on software.

    Examples:

    "Has anyone got a crack for DocumentWriter 3.0?"

  13. Crack as a noun (Cumbria, elsewhere throughout the North of the UK):

    a meaningful chat.

  14. Crack as a noun (Internet slang):

    Extremely silly, absurd or off-the-wall ideas or prose.

  15. Crack as a noun:

    The tone of voice when changed at puberty.

  16. Crack as a noun (archaic):

    A mental flaw; a touch of craziness; partial insanity.

    Examples:

    "He has a crack."

  17. Crack as a noun (archaic):

    A crazy or crack-brained person.

  18. Crack as a noun (obsolete):

    A boast; boasting.

  19. Crack as a noun (obsolete):

    Breach of chastity.

    Examples:

    "rfquotek Shakespeare"

  20. Crack as a noun (obsolete):

    A boy, generally a pert, lively boy.

  21. Crack as a noun (slang, dated, UK):

    A brief time; an instant; a jiffy.

    Examples:

    "I'll be with you in a crack."

  1. Crack as an adjective:

    Highly trained and competent.

    Examples:

    "Even a crack team of investigators would have trouble solving this case."

  2. Crack as an adjective:

    Excellent, first-rate, superior, top-notch.

    Examples:

    "She's a crack shot with that rifle."

  1. Rock as a noun (uncountable):

    A formation of minerals, specifically: The naturally occurring aggregate of solid mineral matter that constitutes a significant part of the earth's crust. A mass of stone projecting out of the ground or water. A boulder or large stone; or a smaller stone; a pebble. Any natural material with a distinctive composition of minerals. A precious stone or gem, especially a diamond.

    Examples:

    "The face of the cliff is solid rock."

    "The ship crashed on the rocks."

    "Some fool has thrown a rock through my window."

    "Look at the size of that rock on her finger!"

  2. Rock as a noun:

    A large hill or island having no vegetation.

    Examples:

    "Pearl Rock near Cape Cod is so named because the morning sun makes it gleam like a pearl."

  3. Rock as a noun (figuratively):

    Something that is strong, stable, and dependable; a person who provides security or support to another.

  4. Rock as a noun:

    A lump or cube of ice.

    Examples:

    "I'll have a whisky on the rocks, please."

  5. Rock as a noun (British, uncountable):

    A type of confectionery made from sugar in the shape of a stick, traditionally having some text running through its length.

    Examples:

    "While we're in Brighton, let's get a stick of rock!"

  6. Rock as a noun (US, slang):

    A crystallized lump of crack cocaine.

  7. Rock as a noun (US, slang):

    An unintelligent person, especially one who repeats mistakes.

  8. Rock as a noun (South Africa, slang, derogatory):

    An Afrikaner.

  9. Rock as a noun (US, _, poker, _, slang):

    An extremely conservative player who is willing to play only the very strongest hands.

  10. Rock as a noun:

    Any of several fish: The striped bass. The huss or rock salmon.

    Examples:

    "We ordered rock and chips to take away."

  11. Rock as a noun (US, basketball, slang):

    A basketball.

    Examples:

    "Yo homie, pass the rock!"

  12. Rock as a noun (rock paper scissors):

    A closed hand (a handshape resembling a rock), that beats scissors and loses to paper. It beats lizard and loses to Spock in rock-paper-scissors-lizard-Spock.

  1. Rock as a verb (transitive, and, intransitive):

    To move gently back and forth.

    Examples:

    "'Rock the baby to sleep."

    "The empty swing rocked back and forth in the wind."

  2. Rock as a verb (transitive):

    To cause to shake or sway violently.

    Examples:

    "Don't rock the boat."

  3. Rock as a verb (intransitive):

    To sway or tilt violently back and forth.

    Examples:

    "The boat rocked at anchor."

  4. Rock as a verb (transitive, and, intransitive, of [[ore]] etc.):

    To be washed and panned in a cradle or in a rocker.

    Examples:

    "The ores had been rocked and laid out for inspection."

  5. Rock as a verb (transitive):

    To disturb the emotional equilibrium of; to distress; to greatly impact (most often positively).

    Examples:

    "Downing Street has been rocked by yet another sex scandal."

    "She rocked my world."

  6. Rock as a verb (intransitive):

    To do well or to be operating at high efficiency.

  7. Rock as a verb (euphemistic):

    to make love to or have sex with someone.

    Examples:

    "[[w:Yarbrough_&_Peoples Yarbrough & Peoples]], "[[w:Don't Stop the Music (Yarbrough and Peoples song) Don't Stop the Music]]": ''I just wanna rock you, all night long."

    "[[w:Andy_Kim Andy Kim]], "[[w:Rock Me Gently (Andy Kim song) Rock Me Gently]]": ''Rock me gently, rock me slowly, take it easy, don't you know, that I have never been loved like this before."

    "[[w:George_McCrae George_McCrae]], "[[w:Rock Your Baby Rock Your Baby]]": ''Open up your heart / And let the loving start / Oh, woman, take me in your arms / Rock your baby."

  1. Rock as a noun:

    An act of rocking; a rocking motion; a sway.

  1. Rock as a noun:

    A style of music characterized by basic drum-beat, generally 4/4 riffs, based on (usually electric) guitar, bass guitar, drums and vocals.

  1. Rock as a verb (intransitive):

    To play, perform, or enjoy rock music, especially with a lot of skill or energy.

    Examples:

    "Let’s rock!"

  2. Rock as a verb (intransitive, slang):

    To be very favourable or skilful; excel; be fantastic.

    Examples:

    "Chocolate rocks."

    "My holidays in Ibiza rocked! I can't wait to go back."

  3. Rock as a verb (transitive):

    to thrill or excite, especially with rock music

    Examples:

    "Let's rock this joint!"

  4. Rock as a verb (transitive):

    to do something with excitement yet skillfully

    Examples:

    "I need to rock a piss."

  5. Rock as a verb (transitive):

    To wear (a piece of clothing, outfit etc.) successfully or with style; to carry off (a particular look, style).

  1. Rock as a noun (countable):

    Distaff.

    Examples:

    "rfquotek Chapman"

  2. Rock as a noun (uncountable):

    The flax or wool on a distaff.

  1. Rock as a noun:

    (mythical bird)

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