ecphractic

from The Collaborative International Dictionary of English v.0.48

Ecphractic \Ec*phrac"tic\, a. [Gr. ?, from ? to open; 'ek out +
   ? to block up: cf. F. ecphractique.] (Med.)
   Serving to dissolve or attenuate viscid matter, and so to
   remove obstructions; deobstruent. -- n. An ecphractic
   medicine. --Harvey.
   [1913 Webster]