-hypogaeic-

a. [ Pref. hypo- + Gr. gai^a, gh^, earth. ] (Chem.) Pertaining to, or obtained from, the peanut, or earthnut (Arachis hypogæa). [ 1913 Webster ]

Hypogæic acid (Chem.), an acid in the oil of the earthnut, in which it exists as a glyceride, and from which it is extracted as a white, crystalline substance. [ 1913 Webster ]