Ad"ju*vant (ăd"j&usl;*vănt), a.
[L. adjuvans, p. pr. of adjuvare to aid: cf. F.
adjuvant. See Aid.] Helping; helpful; assisting.
[R.] "Adjuvant causes." Howell.
Ad"ju*vant, n. 1. An
assistant. [R.] Yelverton.
2. (Med.) An ingredient, in a prescription,
which aids or modifies the action of the principal ingredient.