Not or NOT may refer to:

Language

• Not, the general declarative form of "no", indicating a negation of a related statement that usually precedes
• ... Not!, a grammatical construction used as a contradiction, popularized in the early 1990s

Science and technology

• Negation, a unary operator in logic depicted as ~, ¬, or !
• Bitwise NOT, an operator used in computer programming
• NOT gate, a digital logic gate (commonly called an inverter)
• Nordic Optical Telescope, an astronomical telescope at Roque de los Muchachos Observatory, La Palma, Canary Islands

Other uses

• Nottingham railway station (station code NOT)
• Polish Federation of Engineering Associations (Naczelna Organizacja Techniczna)
• Not, Missouri, an unincorporated community in the United States
• "Not" (song), a 2019 song by Big Thief

See also

• Knot (disambiguation)

This disambiguation page lists articles associated with the title Not.
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