ORTHODROMY
Or"tho*drom`y, n. Etym: [Cf. F. orthodromie.]
Defn: The act or art of sailing on a great circle.
ORTHOEPIC; ORTHOEPICAL
Or`tho*ëp"ic, Or`tho*ëp"ic*al, a.
Defn: Of or pertaining to orthoëpy, or correct pronunciation.
— Or`tho*ëp"ic*al*ly, adv.
ORTHOEPIST
Or"tho*ë*pist, n.
Defn: One who is skilled in orthoëpy.
ORTHOEPY
Or"tho*ë*py, n. Etym: [Gr. orthoépie. See Ortho-, and Epic.]
Defn: The art of uttering words corectly; a correct pronunciation of words; also, mode of pronunciation.
ORTHOGAMY
Or*thog"a*my, n. Etym: [Ortho- + Gr. (Bot.)
Defn: Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; — opposed to heterogamy.