资料来源 : Webster's Revised Unabridged Dictionary (1913)

Integral \In"te*gral\, n.
   1. A whole; an entire thing; a whole number; an individual.

   2. (Math.) An expression which, being differentiated, will
      produce a given differential. See differential
      {Differential}, and {Integration}. Cf. {Fluent}.

   {Elliptic integral}, one of an important class of integrals,
      occurring in the higher mathematics; -- so called because
      one of the integrals expresses the length of an arc of an
      ellipse.

Elliptic \El*lip"tic\, Elliptical \El*lip"tic*al\, a. [Gr. ?:
   cf. F. elliptique. See {Ellipsis}.]
   1. Of or pertaining to an ellipse; having the form of an
      ellipse; oblong, with rounded ends.

            The planets move in elliptic orbits.  --Cheyne.

   2. Having a part omitted; as, an elliptical phrase.

   {Elliptic chuck}. See under {Chuck}.

   {Elliptic compasses}, an instrument arranged for drawing
      ellipses.

   {Elliptic function}. (Math.) See {Function}.

   {Elliptic integral}. (Math.) See {Integral}.

   {Elliptic polarization}. See under {Polarization}.