Webster's Dictionary 1913

1675

Orthognathic

Or′thog‐nath″ic (?), a. Orthognathous.

1676

Orthognathism

Or‐thog″na‐thism (?), n.(Anat.) The quality or state of being orthognathous. Huxley.

1677

Orthognathous

Or‐thog″na‐thous (?), a. [Ortho- + Gr. γνάθοσ the jaw.] (Anat.) Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; — oppo...

1678

Orthogon

Or″tho‐gon (?), n. [Ortho- + Gr. γωνία angle: cf. F. orthogone, a.] (Geom.) A rectangular figure.

1679

Orthogonal

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.

1680

Orthogonally

Or‐thog″o‐nal‐ly, adv. Perpendicularly; at right angles; as, a curve cuts a set of curves orthogonally.

1681

Orthograph

Or″tho‐graph (?), n. [Ortho- + -graph.] (Arch.) An orthographic projection, sometimes partly in section, esp. of a building.

1682

Orthographer

Or‐thog″ra‐pher (?), n. One versed in orthography; one who spells words correctly.

1683

Orthographic

{ Or′tho‐graph″ic (?), Or′tho‐graph″ic‐al (?), } a. [Cf. F. orthographique, L. orthographus, Gr. �.]1. Of or pertaining to orthography, or right spelling; also, correct in spell...

1684

Orthographically

Or′tho‐graph″ic‐al‐ly, adv. In an orthographical manner: (a) according to the rules of proper spelling; (b) according to orthographic projection.

1685

Orthographist

Or‐thog″ra‐phist (?), n. One who spells words correctly; an orthographer.

1686

Orthographize

Or‐thog″ra‐phize (?), v. t. To spell correctly or according to usage; to correct in regard to spelling.In the coalesced into ith, which modern reaction has orthographized to i' ...

1687

Orthography

Or‐thog″ra‐phy (?), n. [OE. ortographie, OF. orthographie, L. orthographia, Gr. �, fr. � writing correctly; ορθὄσ right + γράφειν to write. See Ortho-, and Graphic.]1. The art o...

1688

Orthology

Or‐thol″o‐gy (?), n. [Gr. �; ορθὄσ right + λόγοσ speech, description: cf. F. orthologie.] The right description of things. Fotherby.

1689

Orthometric

Or′tho‐met″ric (?), a. [See Orthometry.] (Crystallog.) Having the axes at right angles to one another; — said of crystals or crystalline forms.

1690

Orthometry

Or‐thom″e‐try (?), n. [Ortho- + -metry.] The art or practice of constructing verses correctly; the laws of correct versification.

1691

Orthomorphic

Or′tho‐mor″phic (?), a. [Ortho- + morphic.] (Geom.) Having the right form.Orthomorphic projection, a projection in which the angles in the figure to be projected are equal to th...

1692

Orthopedic

{ Or′tho‐ped″ic (?), Or′tho‐ped″ic‐al (?), } a.(Med.) Pertaining to, or employed in, orthopedy; relating to the prevention or cure of deformities of children, or, in general, of...

1693

Orthopedist

Or‐thop″e‐dist (?), n.(Med.) One who prevents, cures, or remedies deformities, esp. in children.

1694

Orthopedy

Or‐thop″e‐dy (?), n. [Ortho- + Gr. �, �, a child.] (Med.) The art or practice of curing the deformities of children, or, by extension, any deformities of the human body.

1695

Orthophony

Or‐thoph″o‐ny (?), n. [Ortho- + Gr. φωνή voice.] The art of correct articulation; voice training.

1696

Orthopinacoid

Or′tho‐pin″a‐coid (?), n. [Ortho- + pinacoid.] (Crystallog.) A name given to the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.

1697

Orthopnœa

{ ‖Or′thop‐nœ″a (?), Or‐thop″ny (?), } n. [L. orthopnoea, Gr. �; ορθὄσstraight, right + πνει̑ν to breathe: cf. F. orthopnée.] (Med.) Specifically, a morbid condition in which re...

1698

Orthopoda

‖Or‐thop″o‐da (?), n. pl. [NL. See Ortho-, and -poda.] (Zoöl.) An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet,...

1699

Orthopraxy

Or″tho‐prax′y (?), n. [Gr. ορθὄσ straight + � a doing.] (Med.) The treatment of deformities in the human body by mechanical appliances.

1700

Orthoptera

‖Or‐thop″te‐ra (?), n. pl. [NL., fr. Gr. ορθὄσ straight + � feather, wing.] (Zoöl.) An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust...

1701

Orthopteran

Or‐thop″ter‐an (?), n.(Zoöl.) One of the Orthoptera.