"Not" is the general declarative form of "no", indicating a negation of a related statement which it usually precedes; see yes and no.

Not or NOT may refer to:

  • ... Not!, a grammatical construct used as a contradiction, popularized in the early 1990s
  • Negation, 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
  • Nottingham railway station, whose station code is "NOT"
  • Polish Federation of Engineering Associations (Naczelna Organizacja Techniczna, NOT)


"As a professor of science, I assure you we did, in fact, evolve from filthy monkey-men."
Professor Farnsworth
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