In optics, the power of a lens to give a distinct image. SEE ALSO: resolving power. [L. de-finio, pp. -finitus, to bound, fr. finis, limit]
* * *
def·i·ni·tion .def-ə-'nish-ən n the action or the power of making definite and clear <the \definition of a microscope lens>
* * *
def·i·ni·tion (def″ĭ-nishґən) the clear determination of the limits of anything, as of a disease process or a microscopic image. See also resolution (def. 2).Medical dictionary. 2011.