reduction

/ri-ˈdək-shən/

Middle English reduccion restoration, from Middle French reducion, from Late Latin & Latin; Late Latin reduction-, reductio reduction (in a syllogism), from Latin, restoration, from reducere

noun

  1. the act or process of reducing : the state of being reduced

  2. something made by reducing

  3. the amount by which something is reduced

noun

  1. the usually first division of meiosis in which chromosome reduction occurs; also : meiosis

noun

  1. a combination of gears used to reduce the input speed (as of a marine turbine) to a lower output speed (as of a ship's propeller)