# instantaneous velocity

*Noun.*the velocity of an object at any given instant (especially that of an accelerating object).*Noun.*(*mathematics*) the limit of the change in position per unit time as the unit of time approaches zero; expressed mathematically as $lim\_\{t\; o\; 0\}\; frac\{Delta\; x\}\{Delta\; t\}$.

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This entry was last updated on RefTopia from its source on 3/20/2012.