Webster's Revised Unabridged Dictionary · 1913

Morintannic

Morintannic , adjective

[New Latin Morus fustic + English tannic.]

(Chemistry) Pertaining to, or designating, a variety of tannic acid extracted from fustic (Chlorophora tinctoria, formerly Maclura tinctoria and Morus tinctoria) as a yellow crystalline substance; -- called also maclurin.