Cancel or cancellation may refer to:
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Flight cancellation and delay
A flight delay is when an airline flight takes off and/or lands later than its scheduled time. The United States Federal Aviation Administration (FAA) considers a flight to be delayed when it is 15 minutes later than its scheduled time. A cancella ...
, not operating a scheduled flight
Sociology
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Cancel culture
Cancel culture, or rarely also known as call-out culture, is a phrase contemporary to the late 2010s and early 2020s used to refer to a form of ostracism in which someone is thrust out of social or professional circles—whether it be online, on ...
, boycott and ostracism calling out offensive behavior on social media or in real life
Technology and science
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Cancel leaf A cancel is a bibliographic term for a replaced leaf in a printed book.Bibliographical Notes and Queries - Volumes 1-2 - Page 11
1935 -
Normally, a cancel leaf is of course later than what I may call an integral leaf. The technique for this is u ...
, a bibliographic term for replaced leaves in printed books
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Cancellation property
In mathematics, the notion of cancellative is a generalization of the notion of invertible.
An element ''a'' in a magma has the left cancellation property (or is left-cancellative) if for all ''b'' and ''c'' in ''M'', always implies that .
An ...
, the mathematical property if ''a''×''b'' = ''a''×''c'' then ''b'' = ''c''
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Cancelling out
Cancelling out is a mathematical process used for removing subexpressions from a mathematical expression, when this removal does not change the meaning or the value of the expression because the subexpressions have equal and opposing effects. ...
, a technique for simplifying mathematical expressions
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Catastrophic cancellation
In numerical analysis, catastrophic cancellation is the phenomenon that subtracting good approximations to two nearby numbers may yield a very bad approximation to the difference of the original numbers.
For example, if there are two studs, one L_ ...
, numerical error arising from subtracting approximations to nearby numbers
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Noise cancellation
Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first develop ...
, a method for reducing unwanted sound
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Phase cancellation
In physics, interference is a phenomenon in which two waves combine by adding their displacement together at every single point in space and time, to form a resultant wave of greater, lower, or the same amplitude. Constructive and destructive ...
, the effect of two waves that are out of phase with each other being summed
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Cancel message
Control messages are a special kind of Usenet post that are used to control news servers. They differ from ordinary posts by a header field named Control. The body of the field contains control name and arguments.
There are two historical alterna ...
, a special message used to remove Usenet articles posted to news servers
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Cancel character
In telecommunication, the term cancel character has the following meanings:
#A control character ("CAN", "Cancel", U+0018, or ^X) used to indicate that the data with which it is associated are in error or are to be disregarded. Exact meaning ca ...
, an indication that transmitted data are in error or are to be disregarded
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Resolution rule, in propositional logic a valid inference rule that produces a new clause by two clauses containing complementary literals.
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Cancellable (linguistics)
In the linguistic field of pragmatics, an inference is said to be defeasible or cancellable if it can be made to disappear by the addition of another statement, or an appropriate context. For example, sentence would normally implicate iby scala ...
, a property of implicatures and presuppositions
Entertainment
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Cancellation (television) In broadcasting, cancellation refers to when a radio or television program is abruptly ended by orders of the network or syndicator that distributes the show.
Programs are typically canceled for financial reasons; low viewership or listenership w ...
, the termination of a television series
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"Cancelled" (''South Park''), a 2003 episode of the TV series ''South Park''
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"Canceled" (''Nikita''), a 2013 episode of ''Nikita''
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Canceled (song)
"Canceled" is a song by American YouTuber Larray. It was released on October 18, 2020. The song is a comedic diss track aimed at various social media stars. The song was produced by Taz Taylor, Pharaoh Vice, and S.Diesel.
Background and compo ...
, a 2020 song by Larray
People and characters
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Robinson Cancel
Robinson Cancel Castro (born May 4, 1976) is a Puerto Rican former professional baseball catcher. He made his Major League Baseball debut for the Milwaukee Brewers on September 3, 1999. He would not appear at the major league level again until J ...
(born 1976), baseball catcher
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Rafael Cancel Miranda
Rafael Cancel Miranda (July 18, 1930 – March 2, 2020) was a poet, political activist, member of the Puerto Rican Nationalist Party and an advocate of Puerto Rican independence. On March 1, 1954, Cancel Miranda and three other Nationalists (L ...
(born 1930), political activist
*An alternate name for the archangel
Camael
Camael, ( he, חַמּוּאֵל ''Ḥammūʾēl, "''God has warmed") also spelled Chamuel, Khamuel, Camiel, Cameel and Camniel, is the archangel of strength, courage and war in Jewish and Christian angelology.
According to poet Gustav Davidson' ...
Government
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Cancellation of removal
Cancellation of removal is a provision of the Immigration and Nationality Act (INA) of the United States that allows some aliens who are in removal proceedings, who have lived in the United States for a long period of time and meet certain other c ...
, a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable
* Cancellation of
Nationality
Nationality is a legal identification of a person in international law, establishing the person as a subject, a ''national'', of a sovereign state. It affords the state jurisdiction over the person and affords the person the protection of the ...
See also
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Mitigation
Mitigation is the reduction of something harmful or the reduction of its harmful effects. It may refer to measures taken to reduce the harmful effects of hazards that remain ''in potentia'', or to manage harmful incidents that have already occur ...
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Nullification (disambiguation)
Nullification may refer to:
* Nullification (U.S. Constitution), a legal theory that a state has the right to nullify any federal law deemed unconstitutional with respect to the United States Constitution
* Nullification Crisis, the 1832 confront ...
{{disambiguation