Officinal
Pronunciation : Of*fic"i*nal
Part of Speech : a.
Etymology : [F., fr. L. officina a workshop, contr.fr. opificina, fr. opifex a workman; opus work + facere to make or do.]
Definition : 1. Used in a shop, or belonging to it. [Obs. or R.] Johnson.
2. (Pharm.)
Defn: Kept in stock by apothecaries; -- said of such drugs and medicines as may be obtained without special preparation or compounding; not magistral.
Note: This term is often interchanged with official, but in strict use officinal drugs are not necessarily official. See Official, a., 3.
Source : Webster's Unabridged Dictionary, 1913