† protohydrioduretn. [ < proto-comb. form + hydro-comb. form + ioduretn.; Mayne (see quot. 1858) gives a Latin form protohydrioduretum and a French form protohydriodure] Obsolete
ΚΠ
1858 R. G. MayneExpos. Lexicon Med. Sci. (1860) 1026/2Protohydrioduretum,..a protohydrioduret.