/di mul"seuhnt/ , adj.
1. soothing or mollifying, as a medicinal substance.
n.
2. a demulcent substance or agent, often mucilaginous, as for soothing or protecting an irritated mucous membrane.
[ 1725-35; demulcent- (s. of demulcens, prp. of demulcere to stroke down, soften), equiv. to de- DE- + mulc ( ere ) to soothe + -ent- -ENT ]