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.

Source: Webster's Revised Unabridged Dictionary (1913)