Cancel

Cancel may refer to:

Cancellation (insurance), the termination of a insurance policy
Cancellation (mail), in mail, a postal marking applied to a stamp or stationery indicating that the item has been used
Cancellation (television), the termination of a television series
"Cancelled" (South Park), an episode of South Park
Cancellation property, the property that if a * b = a * c then b = c
Loss of significance 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, in Usenet, a special message used to remove articles posted to news server
Cancel character, in telecommunication, an indication that the data with which it is associated are in error or are to be disregarded
Cancellation of removal, a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable
Robinson Cancel (born 1976), baseball catcher
An alternate name for the archangel Camael.

See also "Cancels", for the bibliographic term for replaced leaves in printed books.