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OR'THODROMY, n. [Gr. right, and course.] The sailing in a straight course.
ORTHODROM'ICS, n. The art of sailing in the arc of a great circle, which is the ...
ORTHODROM'IC, a. [See Orthodromy .] Pertaining to orthodromy.
OR'THODOXY, n. [Gr. right, true, and opinion, from to think.] 1. Soundness of fa...
OR'THODOXNESS, n. The state of being sound in the faith, or of according with th...
OR'THODOXLY, adv. With soundness of faith.
OR'THODOX, a. [See Orthodoxy .] 1. Sound in the christian faith; believing the g...
ORTHOCER'ATITE, n. [Gr. straight, and a horn.] The name of certain fossil unival...
OR'THITE, n. [Gr. straight.] A mineral occurring in straight layers in felspath ...
OR'TALON, n. A small bird of the genus Alauda.
ORT, n. A fragment; refuse.
OR'RIS, n. 1. The plant iris, of which orris See ms to be a corruption; fleur de...
OR'RERY, n. A machine so constructed as to represent by the movements of its par...
OR'RACH, n. A plant of the genus Atriplex, used as a substitute for spinage. Wil...
OR'PINE, n. A plant of the genus Sedum, lesser houseleek or live-long. The basta...
OR'PIMENT, n. [L. auripigmentum; aurum, gold, and pigmentum.] Sulphuret of arsen...