n. 演员化妆用油

[ noun ]
a greasy substance used as makeup by actors
<noun.artifact>

greasepaint \greasepaint\ n.
1. a greasy substance containing pigments, used as makeup by
actors, clowns, and other entertainers; as, the smell of
the greasepaint, the roar of the crowd.
[WordNet 1.5 +PJC]

2. Theatrical makeup, generally.
[PJC]