epipastic

ep·i·pas·tic

(ep'i-pas'tik),
1. Usable as a dusting powder.
2. A dusting powder.
[G. epi-passō, to sprinkle over]

epipastic

(ĕp″ĭ-păs′tĭk) [″ + passein, to sprinkle]
Resembling a dusting powder.