Source : Webster's Revised Unabridged Dictionary (1913)

Integrant \In"te*grant\, a. [L. integrans, -antis, p. pr. of
   integrare to make whole, renew: cf. F. int['e]grant. See
   {Integrate}.]
   Making part of a whole; necessary to constitute an entire
   thing; integral. --Boyle.

         All these are integrant parts of the republic. --Burke.

   {Integrant parts}, or {particles}, of bodies, those smaller
      particles into which a body may be reduced without loss of
      its original constitution, as by mechanical division.