Hyp`o*gæ"ic (?), a. [Pref.
hypo- + Gr. gai^a, gh^, earth.]
(Chem.) Pertaining to, or obtained from, the peanut, or
earthnut (Arachis hypogæa).
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.