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  • English Word Orthometry Definition The art or practice of constructing verses correctly; the laws of correct versification.
  • English Word Orthomorphic Definition Having the right form.
  • English Word Orthopedic Definition Alt. of Orthopedical
  • English Word Orthopedical Definition Pertaining to, or employed in, orthopedy; relating to the prevention or cure of deformities of children, or, in general, of the human body at any age; as, orthopedic surgery; an orthopedic hospital.
  • English Word Orthopedist Definition One who prevents, cures, or remedies deformities, esp. in children.
  • English Word Orthopedy Definition The art or practice of curing the deformities of children, or, by extension, any deformities of the human body.
  • English Word Orthophony Definition The art of correct articulation; voice training.
  • English Word Orthopinacoid Definition A name given to the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.
  • English Word Orthopn/a Definition Alt. of Orthopny
  • English Word Orthopny Definition Specifically, a morbid condition in which respiration can be performed only in an erect posture; by extension, any difficulty of breathing.
  • English Word Orthopoda Definition An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet, pelvis, and other parts.
  • English Word Orthopraxy Definition The treatment of deformities in the human body by mechanical appliances.
  • English Word Orthoptera Definition An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust. under Insect.
  • English Word Orthopteran Definition One of the Orthoptera.
  • English Word Orthopterous Definition Of or pertaining to the Orthoptera.
  • English Word Orthorhombic Definition Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.
  • English Word Orthoscope Definition An instrument designed to show the condition of the superficial portions of the eye.
  • English Word Orthoscopic Definition Giving an image in correct or normal proportions; giving a flat field of view; as, an orthoscopic eyepiece.
  • English Word Orthosilicic Definition Designating the form of silicic acid having the normal or highest number of hydroxyl groups.
  • English Word Orthospermous Definition Having the seeds straight, as in the fruits of some umbelliferous plants; -- opposed to coelospermous.
  • English Word Orthostade Definition A chiton, or loose, ungirded tunic, falling in straight folds.
  • English Word Orthostichies Definition of Orthostichy
  • English Word Orthostichy Definition A longitudinal rank, or row, of leaves along a stem.
  • English Word Orthotomic Definition Cutting at right angles.
  • English Word Orthotomous Definition Having two cleavages at right angles with one another.
  • English Word Orthotomy Definition The property of cutting at right angles.
  • English Word Orthotone Definition Retaining the accent; not enclitic; -- said of certain indefinite pronouns and adverbs when used interrogatively, which, when not so used, are ordinarilly enclitic.
  • English Word Orthotropal Definition Alt. of Orthotropous
  • English Word Orthotropic Definition Having the longer axis vertical; -- said of erect stems.
  • English Word Orthotropous Definition Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.