Crack vs Acid - What's the difference?

crack | acid |

As nouns the difference between crack and acid

is that crack is (senseid)a thin and usually jagged space opened in a previously solid material while acid is acid (a food with a sharp taste).

As adjectives the difference between crack and acid

is that crack is highly trained and competent while acid is acid; sour; tart (having a sharp taste such as that of vinegar or a lemon).

As a verb crack

is (senseid)to form cracks.



Etymology 1

From (etyl) crakken, craken, from (etyl) .


(en verb)
  • (senseid)To form cracks.
  • It's been so dry, the ground is starting to crack .
  • To break apart under pressure.
  • When I tried to stand on the chair, it cracked .
  • To become debilitated by psychological pressure.
  • Anyone would crack after being hounded like that.
  • To break down or yield, especially under interrogation or torture.
  • When we showed him the pictures of the murder scene, he cracked .
  • To make a cracking sound.
  • The bat cracked with authority and the ball went for six.
  • (of a voice) To change rapidly in register.
  • His voice cracked with emotion.
  • (of a pubescent boy's voice) To alternate between high and low register in the process of eventually lowering.
  • His voice finally cracked when he was fourteen.
  • To make a sharply humorous comment.
  • "I would too, with a face like that," she cracked .
  • To make a crack or cracks in.
  • The ball cracked the window.
  • To break open or crush to small pieces by impact or stress.
  • You'll need a hammer to crack a black walnut.
  • To strike forcefully.
  • She cracked him over the head with her handbag.
  • To open slightly.
  • Could you please crack the window?
  • To cause to yield under interrogation or other pressure. (Figurative )
  • They managed to crack him on the third day.
  • To solve a difficult problem.
  • I've finally cracked it, and of course the answer is obvious in hindsight.
  • To overcome a security system or a component.
  • 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.
  • To cause to make a sharp sound.
  • to crack a whip
  • * 2001 , Doug McGuinn, The Apple Indians
  • Hershell cracked his knuckles, a nervous habit that drove Inez crazy
  • To tell (a joke).
  • The performance was fine until he cracked that dead baby joke.
  • (transitive, chemistry, informal) To break down (a complex molecule), especially with the application of heat: to pyrolyse.
  • Acetone is cracked to ketene and methane at 700°C.
  • (computing) To circumvent software restrictions such as regional coding or time limits.
  • That software licence will expire tomorrow unless we can crack it.
  • (informal) To open a canned beverage, or any packaged drink or food.
  • I'd love to crack open a beer .
  • (obsolete) To brag, boast.
  • *, II.4.1.v:
  • Cardan cracks that he can cure all diseases with water alone, as Hippocrates of old did most infirmities with one medicine.
  • * Shakespeare
  • Ethoipes of their sweet complexion crack .
  • (archaic, colloquial) To be ruined or impaired; to fail.
  • * Dryden
  • The creditof exchequers cracks , when little comes in and much goes out.
    Derived terms
    * bumcrack * crack a crib * crack a fat * crack baby * crack down * cracked * cracker * crack house * crack kills * crack of dawn * crack on * crack seed * crack up * crack whore * fall between the cracks * difficult nut to crack * hard nut to crack * tough nut to crack * what's the crack * wisecrack


    (en noun)
  • (senseid)A thin and usually jagged space opened in a previously solid material.
  • A large crack had formed in the roadway.
  • A narrow opening.
  • We managed to squeeze through a crack in the rock wall.
    Open the door a crack .
  • * {{quote-news
  • , year=2011 , date=January 25 , author=Phil McNulty , title=Blackpool 2 - 3 Man Utd , work=BBC citation , page= , passage=Dimitar Berbatov found the first cracks in the home side's resilience when he pulled one back from close range and Hernandez himself drew the visitors level with a composed finish three minutes later as Bloomfield Road's earlier jubilation turned to despair. }}
  • A sharply humorous comment; a wisecrack.
  • I didn't appreciate that crack about my hairstyle.
  • A potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.
  • * (rfdate) :
  • I wouldn't use it, if I was going to use it I can afford real cocaine. Crack is wack.
  • (onomatopoeia) The sharp sound made when solid material breaks.
  • The crack of the falling branch could be heard for miles.
  • (onomatopoeia) Any sharp sound.
  • The crack of the bat hitting the ball.
  • * {{quote-news
  • , year=2011 , date=June 28 , author=Piers Newbery , title=Wimbledon 2011: Sabine Lisicki beats Marion Bartoli , work=BBC Sport citation , page= , passage=She broke to love in the opening game, only for Bartoli to hit straight back in game two, which was interrupted by a huge crack of thunder that made Lisicki jump and prompted nervous laughter from the 15,000 spectators.}}
  • (informal) An attempt at something.
  • I'd like to take a crack at that game.
  • (vulgar, slang) vagina.
  • I'm so horny even the crack of dawn isn't safe!
  • (vulgar) The space between the buttocks.
  • Pull up your pants! Your crack is showing.
  • (Northern England, Scotland, Ireland) Conviviality; fun; good conversation, chat, gossip, or humourous storytelling; good company.
  • * 2001 , William F. Gray, The Villain , iUniverse, p. 214:
  • Being a native of Northumberland, she was enjoying their banter and Geordie good humour. This was what she needed — good company and good crack .
  • * 2004 , Bill Griffiths, Dictionary of North East Dialect , Northumbria University Press (quoting Dunn, 1950)
  • "his a bit o' good crack — interesting to talk to"
  • * 2006 , Patrick McCabe, Winterwood , Bloomsbury 2007, p. 10:
  • By the time we've got a good drunk on us there'll be more crack in this valley than the night I pissed on the electric fence!
    The crack was good.
    That was good crack .
    He/she is quare good crack .
    The party was great crack .
  • (Northern England, Scotland, Ireland) Business/events/news
  • What's the crack ?
  • (computing) A program or procedure designed to circumvent restrictions or usage limits on software.
  • Has anyone got a crack for DocumentWriter 3.0?
  • (Cumbria, elsewhere throughout the North of the UK) a meaningful chat.
  • (Internet slang) Extremely silly, absurd or off-the-wall ideas or prose.
  • The tone of voice when changed at puberty.
  • * Shakespeare
  • Though now our voices / Have got the mannish crack .
  • (archaic) A mental flaw; a touch of craziness; partial insanity.
  • He has a crack .
  • (archaic) A crazy or crack-brained person.
  • * Addison
  • I can not get the Parliament to listen to me, who look upon me as a crack and a projector.
  • (obsolete) A boast; boasting.
  • * Burton
  • crack and brags
  • * Shakespeare
  • vainglorious cracks
  • (obsolete) Breach of chastity.
  • (Shakespeare)
  • (obsolete) A boy, generally a pert, lively boy.
  • * Shakespeare
  • - 'Tis a noble child.
    - A crack , madam.
  • (slang, dated, UK) A brief time; an instant; a jiffy.
  • I'll be with you in a crack .
    Usage notes
    * In the last few decades the word has been adopted into Gaelic; as there is no "k" in the Irish language the spelling (craic) has been devised.
    * bum crack (UK), arse crack (UK), ass crack (US) * (cocaine that is heat-altered at the moment of inhalation) crack cocaine

    Etymology 2

    1793 slang, of origin


  • Highly trained and competent.
  • Even a crack team of investigators would have trouble solving this case.
  • Excellent, first-rate, superior, top-notch.
  • She's a crack shot with that rifle.
    Derived terms
    * crack train * crack troops



    (wikipedia acid)


  • Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
  • :
  • (lb) Sour-tempered.
  • *(Anthony Trollope) (1815-1882)
  • *:He was stern and his face as acid as ever.
  • *
  • *:Little disappointed, then, she turned attention to "Chat of the Social World," gossip which exercised potent fascination upon the girl's intelligence. She devoured with more avidity than she had her food those pretentiously phrased chronicles of the snobocracy […] distilling therefrom an acid envy that robbed her napoleon of all its savour.
  • Of or pertaining to an acid; acidic.
  • (lb) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.
  • Synonyms

    * acidic


    * alkaline * base


  • A sour substance.
  • (chemistry) Any of several classes of compound having the following properties:-
  • # Any of a class of water-soluble compounds, having sour taste, that turn blue litmus red, and react with some metals to liberate hydrogen, and with bases to form salts.
  • # Any compound that easily donates protons; a
  • # Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid
  • (slang) lysergic acid diethylamide (LSD)
  • Antonyms

    * alkali * base


    * See also

    Derived terms

    * acid rain * acid test * acid-base equilibrium * acid-base indicator * acid-fast * acidhead * acid house * acidic * acidify * acidimeter * acidity * acid jazz * acidly * acidophile / acidophilic * acidosis * acidulate * acidulous * acetic acid * acetylsalicylic acid * acid of air * acid of amber * acid of ants * acid of apples * acid of lemon * acid of milk * acid of salt * acid of sugar * acrylic acid * adipic acid * alginic acid * alpha-hydroxy acid * amino acid * arachidic acid * arachidonic acid * arsenic acid * ascorbic acid * aspartic acid * benzoic acid * bile acid * boric acid * bromic acid * butyric acid * capric acid * caproic acid * caprylic acid * carbamic acid * carbolic acid, phenol * carbonic acid * carboxylic acid * cerotic acid * chloric acid * cholic acid * chromic acid * citric acid * conjugate acid * connorstictic acid * consalazinic acid * constictic acid * convirensic acid * crotonic acid * cryptostictic acid * cyanic acid * cyanuric acid * cyclamic acid * deoxyribonucleic acid, DNA * erucic acid * ethanoic acid * fatty acid * folic acid * formic acid * fulminic acid * fumaric acid * fumarprotocetraric acid * galbinic acid * gibberellic acid * gluconic acid * glutamic acid * glyceric acid * glycolic acid * humic acid * hydriodic acid * hydrobromic acid * hydrochloric acid * hydrocyanic acid * hydrofluoric acid * hydrosulphurous acid * hydroxy acid * hypobromous acid * hypochlorous acid * hypofluorous acid * hypohalous acid * hypoiodous acid * hypophosphorous acid * hyposalazinic acid * hypostietic acid * hyposulphurous acid * indoleacetic acid * isobutyric acid * ketipic acid * lactic acid * lauric acid * Lewis acid * linoleic acid * linolenic acid * lysergic acid * maleic acid * malic acid * malonic acid * margaric acid * metaphosphoric acid * methacrylic acid * mucic acid * muriatic acid * myristic acid * nicotinic acid * nitric acid * nitrous acid * norisonotatic acid * norstictic acid * nucleic acid * oleic acid * * * osmic acid * oxaloacetic acid * oxalic acid * palmitic acid * pantothenic acid * pectic acid * pelargonic acid * perchloric acid * periodic acid * permanganic acid * petroselinic acid * phosphoric acid * phosphorous acid * phthalic acid * picric acid * propanoic acid * propionic acid * protocetraric acid * prussic acid * pyrogallic acid * pyrophosphoric acid * pyruvic acid * racemic acid * retinoic acid * ribonucleic acid, RNA * ricinoleic acid * salazinic acid * salicylic acid * sebacic acid * selenic acid * silicic acid * stearic acid * stictic acid * suberic acid * succinic acid * sulphonic acid, sulfonic acid * sulphuric acid, sulfuric acid * sulphurous acid, sulfurous acid * tannic acid * tantalic acid * tartaric acid * telluric acid * thiocyanic acid * thiosulphuric acid, thiosulfuric acid * titanic acid * toluic acid * trans fatty acid * tungstic acid * undecilenic acid * uric acid * usnic acid * valeric acid * vanadic acid * virensic acid

    See also

    * acerbic * acro- * pH




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