Or‐thog″o‐nal (?), a. [Cf. F. orthogonal.] Right-angled; rectangular; as, an orthogonal intersection of one curve with another.
Orthogonal projection. See under Orthographic.
Webster's Dictionary 1913
Or‐thog″o‐nal (?), a. [Cf. F. orthogonal.] Right-angled; rectangular; as, an orthogonal intersection of one curve with another.
Orthogonal projection. See under Orthographic.