What is Crack?
{{wiktionary|crack}} {{TOC right}} '''Crack''' frequently refers to: * Crack, a [[fracture]] or discontinuation in a body * Crack, in geology, a [[fracture (geology)]] in a rock * Crack, short for [[crack cocaine]], the freebase form of cocaine that can be smoked ==Other uses== * [[Cracking (chemistry)]], the process whereby complex organic molecules are broken down into simpler molecules {{disambiguation}}