Cancel

Cancel or cancellation may refer to:

Business

• Cancellation (mail), a postal marking applied to a stamp or stationery indicating the item has been used
• Cancellation (insurance), the termination of an insurance policy
• Flight cancellation and delay, not operating a scheduled flight

Technology and science

• Cancels, a bibliographic term for replaced leaves in printed books
• Cancellation property, the mathematical property if a * b = a * c then b = c
• Loss of significance, cumulative errors incurred when doing calculations with floating-point numbers
• Noise cancellation, a method for reducing unwanted sound
• Phase cancellation, the effect of two waves that are out of phase with each other being summed
• Cancel message, a special message used to remove Usenet articles posted to news servers
• Cancel character, an indication that transmitted data are in error or are to be disregarded

Entertainment

• Cancellation (television), the termination of a television series
• "Cancelled" (South Park), an episode of the TV series South Park

People and characters

• Robinson Cancel (born 1976), baseball catcher
• An alternate name for the archangel Camael

Government

• Cancellation of removal, a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable