The Collaborative International Dictionary of English v.0.48:
Abstergent \Ab*ster"gent\, a. [L. abstergens, p. pr. of abstergere.] Serving to cleanse, detergent. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Abstergent \Ab*ster"gent\, n. A substance used in cleansing; a detergent; as, soap is an abstergent. [1913 Webster]