I.of or belonging to art, artificial, according to the rules of art (perh. only in Quint.): “probationes,” Quint. 5, 1, 1; so id. 5, 9, 1; 12, 8, 19: “ratio,” id. 6, 4, 4.—Once subst.: artĭfĭ-cĭālia , ium, n., things conformable to the rules of art, Quint. 1, 8, 14.—Adv.: artĭ-fĭcĭālĭter , according to art (opp. inartificialiter): “se gerere,” Quint. 2, 17, 42.
artĭfĭcĭālis , e, adj. artificium,