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One who prevents, cures, or remedies deformities, esp. in children.

The art or practice of curing the deformities of children, or, by extension, any deformities of the human body.

The art of correct articulation; voice training.

e given to the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.

Specifically, a morbid condition in which respiration can be performed only in an erect posture; by extension, any difficulty of breathing.

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.

The treatment of deformities in the human body by mechanical appliances.

An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust. under Insect.

One of the Orthoptera.

Of or pertaining to the Orthoptera.

Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.

An instrument designed to show the condition of the superficial portions of the eye.

Giving an image in correct or normal proportions; giving a flat field of view; as, an orthoscopic eyepiece.

Designating the form of silicic acid having the normal or highest number of hydroxyl groups.

Having the seeds straight, as in the fruits of some umbelliferous plants; -- opposed to coelospermous. Darwin.

A chiton, or loose, ungirded tunic, falling in straight folds.

A longitudinal rank, or row, of leaves along a stem.

Cutting at right angles. Orthotomic circle (Geom.), that circle which cuts three given circles at right angles.

Having two cleavages at right angles with one another.

The property of cutting at right angles.