Dictionary: OR'PIN – OR-THOG'RA-PHY

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OR'PIN, n.

A yellow color of various degrees of intensity, approaching also to red.

OR'PINE, n. [Fr. orpin.]

A plant of the genus Sedum, lesser houseleek or live long. The bastard orpine is of the genus Andrachne; the lesser orpine of the genus Crassula.

OR'RACH, n. [See ORACH.]

OR'RE-RY, n.

A machine so constructed as to represent, by the movements of its parts, the motions and phases of the planets in their orbits. This machine was invented by George Graham, but Rowley, a workman, borrowed one from him, and made a copy for the Earl of Orrery, after whom it was named by Sir Richard Steele. Similar machines are called also planetariums. Cyc.

OR'RIS, n.

  1. The plant iris, of which orris seems to be a corruption; fleur-de-lis or flag-flower. Encyc.
  2. A sort of gold or silver lace. Qu. orfrais. Johnson.

ORT, n.

A fragment; a refuse. Shak.


A small bird of the genus Alauda. Encyc.

OR'THITE, n. [Gr. ορθος, straight.]

A mineral occurring in straight layers in felspath rock with albite, &c. It is of a blackish brown color resembling gadolinite, but differs from it in fusibility. Dict. Nat. Hist. Ure. Cleveland.

OR-THO-CER'A-TITE, n. [Gr. ορθος, straight, and κερας, a horn.]

The name of certain fossil univalve shells, straight or but slightly curved, arranged by Cuvier in the genus Nautilus.

OR'THO-DOX, a. [See Orthodoxy.]

  1. Sound in the Christian faith; believing the genuine doctrines taught in the Scriptures; opposed to heretical; as, an orthodox Christian.
  2. According with the doctrines of Scripture; as, an orthodox creed or faith.


With soundness of faith. Bacon.


The state of being sound in the faith, or of according with the doctrines of Scripture.

OR'THO-DOX-Y, n. [Gr. ορθοδοξια; ορθος, right, true, and δοξα, opinion, from δοκεω, to think.]

  1. Soundness of faith; a belief in the genuine doctrines taught in the Scriptures. Basil bears full and clear testimony to Gregory's orthodoxy. Waterland.
  2. Consonance to genuine Scriptural doctrines; as, the orthodoxy of a creed.

OR-THO-DROM'IC, a. [See Orthodromy.]

Pertaining to orthodromy.


The art of sailing in the arc of a great circle, which is the shortest distance between any two points on the surface of the globe. Harris.

OR'THO-DRO-MY, n. [Gr. ορθος, right, and δρομος, course.]

The sailing in a straight course.


Pertaining to orthoepy.

OR'THO-E-PIST, n. [See Orthoepy.]

One who pronounces words correctly, or who is well skilled in pronunciation.

OR'THO-E-PY, n. [Gr. ορθοεπεια; ορθος, right, and επος, word, or επω, to speak.]

The art of uttering words with propriety; a correct pronunciation of words. Nares.

OR'THO-GON, n. [Gr. ορθος, right, and γωνια, angle.]

A rectangular figure. Peacham.


Right angled; rectangular. Selden.

OR-THOG'RA-PHER, n. [See Orthography.]

One that spells words correctly, according to common usage. Shak.


  1. Correctly spelled; written with the proper letters.
  2. Pertaining to the spelling of words; as, to make an orthographical mistake. Orthographic projection of the sphere, a delineation of the sphere upon a plane that cuts it in the middle, the eye being supposed to be placed at an infinite distance from it. Bailey. A projection in which the eye is supposed to be at an infinite distance; so called because the perpendiculars from any point of the sphere will all fall in the common intersection of the sphere with the plane of the projection. Encyc.


  1. According to the rules of proper spelling.
  2. In the manner of orthographic projection.

OR-THOG'RA-PHY, n. [Gr. ορθογραφια; ορθος, right, and γραφη, writing.]

  1. The art of writing words with the proper letters, according to common usage.
  2. The part of grammar which treats of the nature and properties of letters, and of the art of writing words correctly. Encyc.
  3. The practice of spelling or writing words with the proper letters. Swift.
  4. In geometry, the art of delineating the fore right plane or side of any object, and of expressing the elevations of each art; so called because it determines things by perpendicular lines falling on the geometrical plane. Encyc.
  5. In architecture, the elevation of a building, showing all the parts in their true proportion. Encyc.
  6. In perspective, the fore right side of any plane, that is, the side or plane that lies parallel to a straight line that may be imagined to pass through the outward convex points of the eyes, continued to a convenient length. Encyc.
  7. In fortification, the profile or representation of a work in all its parts, as they would appear if perpendicularly cut from top to bottom. Cyc.