the act of decreasing (something) in size or volume or quantity or scope
(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
a word formed from two or more words by omitting or combining some sounds; "`won't' is a contraction of `will not'"; "`o'clock' is a contraction of `of the clock'"
the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one"
a contraction of economic activity resulting in a decline of prices
(geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind; "a constant deflation of the desert landscape"
a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount
an occurrence of control or strength weakening; "the relaxation of requirements"; "the loosening of his grip"; "the slackening of the wind"
(physics) the exponential return of a system to equilibrium after a disturbance
(physiology) the gradual lengthening of inactive muscle or muscle fibers