• Cracking, the formation of a fracture
  Fracture
  A fracture is the separation of an object or material into two, or more, pieces under the action of stress.The word fracture is often applied to bones of living creatures , or to crystals or crystalline materials, such as gemstones or metal...
  
   or partial fracture in a solid material
• Fluid catalytic cracking
  Fluid catalytic cracking
  Fluid catalytic cracking is the most important conversion process used in petroleum refineries. It is widely used to convert the high-boiling, high-molecular weight hydrocarbon fractions of petroleum crude oils to more valuable gasoline, olefinic gases, and other products...
  
  , a catalytic process widely used in oil refineries for cracking large hydrocarbon molecules into smaller molecules
• Cracking (chemistry)
  Cracking (chemistry)
  In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon-carbon bonds in the precursors. The rate of cracking and the end products...
  
  , the decomposition of complex organic molecules into smaller ones
• Cracking joints
  Cracking joints
  Cracking joints is the action of moving joints to produce a sharp cracking or popping sound. The most common form of this occurs during deliberate knuckle-cracking...
  
  , the practice of manipulating one's bone joints to make a sharp sound
• Cracking codes, see cryptanalysis
  Cryptanalysis
  Cryptanalysis is the study of methods for obtaining the meaning of encrypted information, without access to the secret information that is normally required to do so. Typically, this involves knowing how the system works and finding a secret key...
  
  
• Whip cracking
• Safe cracking

• Password cracking
  Password cracking
  Password cracking is the process of recovering passwords from data that has been stored in or transmitted by a computer system. A common approach is to repeatedly try guesses for the password...
  
  , the process of discovering the plaintext of an encrypted computer password
• Hacker (computer security)
  Hacker (computer security)
  In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...
  
  , the defeating of security devices in computer networks
• Software cracking
  Software cracking
  Software cracking is the modification of software to remove or disable features which are considered undesirable by the person cracking the software, usually related to protection methods: copy protection, trial/demo version, serial number, hardware key, date checks, CD check or software annoyances...
  
  , the defeating of software copy protection

See also

• Crack (disambiguation)
• Cracker (disambiguation)
• Crackling (pork rind)
• Cracker (pejorative)
  Cracker (pejorative)
  Cracker, sometimes white cracker, is a pejorative term for white people. It is an ethnic slur that is especially used for the white inhabitants of the U.S. states of Georgia and Florida , but it is also used throughout the United States.-Etymology:One theory holds that the term comes from the...