EVACUANT

cathartic, evacuant, purgative

(adjective) strongly laxative

Source: WordNet® 3.1

Adjective

evacuant (not comparable)

laxative

Synonyms: cathartic, purgative

Noun

evacuant (plural evacuants)

something used to clean out an organ system, especially the bowels

a laxative

Source: Wiktionary

E*vac"u*ant, a. Etym: [L.evacuans, -antis, p. pr. of evacuare: cf. F. évacuant.]

Definition: Emptying; evacuative; purgative; cathartic.

– n. (Med.)

Definition: A purgative or cathartic.

Source: Webster’s Unabridged Dictionary 1913 Edition