excipient adjective & noun. 
[ɛk'sɪpɪǝnt] E18.[Latin excipient- pres. ppl stem of excipere take out, receive, formed as EX-1 1 + capere take: see -ENT.]A. adjective. That takes exception. Only in 
E18.b. noun.
1.  An inactive substance that serves as the vehicle or medium for a drug. 
M18.2.  The material or surface that receives the pigments in painting. 
M19.  [TahlilGaran] English Dictionary ▲