ORTHOGNATHIC
Or`thog*nath"ic, a.
Defn: Orthognathous.
ORTHOGNATHISM
Or*thog"na*thism, n. (Anat.)
Defn: The quality or state of being orthognathous. Huxley.
ORTHOGNATHOUS
Or*thog"na*thous, a. Etym: [Ortho- + Gr. (Anat.)
Defn: Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; — opposed to Ant: prognathous. See Gnathic index, under Gnathic.
ORTHOGON
Or"tho*gon, n. Etym: [Ortho- + Gr. orthogone, a.] (Geom.)
Defn: A rectangular figure.
ORTHOGONAL
Or*thog"o*nal, a. Etym: [Cf. F. orthogonal.]
Defn: Right-angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See under Orthographic.