Source : Webster's Revised Unabridged Dictionary (1913)

Abstergent \Ab*ster"gent\, a. [L. abstergens, p. pr. of
   abstergere.]
   Serving to cleanse, detergent.

Abstergent \Ab*ster"gent\, n.
   A substance used in cleansing; a detergent; as, soap is an
   abstergent.