An orthogonal line

The most traditional Rabbinic branch of Judaism, characterized by the belief in the continued relevance and binding nature of the Rabbinic interpretation of Jewish law.

An adherent of Orthodox Judaism

Pertaining to the faith, practices, etc. of the Eastern Orthodox Church.

Of, or relating to the dental speciality of orthodontics.

Of, or relating to orthopedics.

Synonym of phonology: the study of pronunciation. / Accepted or customary pronunciation.

(countable, architecture) A form of projection used to represent three-dimensional objects in two dimensions, in which all the projection lines are orthogonal or perpendicular to the projection plane; an orthographic projection, especially when used to draw an elevation, vertical projection, etc., of a building; also (obsolete) a drawing made in this way.

(transitive, rare, archaic) To spell (words) or write (text) according to established usage.

(medicine) A specialty of dentistry concerned with correcting misalignment of teeth.