Making part of a whole; necessary to constitute an entire thing; integral. 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.
Origin: L. Integrans, -antis, p. Pr. Of integrare to make whole, renew: cf. F. Integrant. See Integrate.