from the GNU version of the Collaborative International Dictionary of English
- adj. Cleansing; purging.
- n. Something cleansing.
from The Century Dictionary and Cyclopedia
- Cleansing; having the quality of removing foulness. See detersive.
- n. That which effects abstersion; that which purifies.
From Middle French abstersif, from Latin abstersus. (Wiktionary)