The Collaborative International Dictionary
Specificate
Specificate \Spe*cif"i*cate\ (sp[-e]*s[i^]f"[i^]*k[=a]t), v. t.
To show, mark, or designate the species, or the
distinguishing particulars of; to specify. [Obs.]
--ir M.
Hale.
Wiktionary
specificate
vb. (context obsolete transitive English) To show, mark, or designate the species, or the distinguishing particulars of; to specify.