Webster’s Revised Unabridged Dictionary · 1913
Promorphology
Pro′mor·phol′o·gy (·jy̆), n. [Pref. pro- + morphology.] (Biol.) Crystallography of organic forms; — a division of morphology created by Haeckel. It is essentially stereometric, and relates to a mathematical conception of organic forms. See Tectology.