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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.

Retaining the accent; not enclitic; -- said of certain indefinite pronouns and adverbs when used interrogatively, which, when not so used, are ordinarilly enclitic.

Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.

Having the longer axis vertical; -- said of erect stems. Encyc. Brit.

That variety of xylene in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.

Of or relating to the time or act of rising; eastern; as, the ortive amplitude of a planet.

A European singing bird (Emberiza hortulana), about the size of the lark, with black wings. It is esteemed delicious food when fattened. Called also bunting.

One of several species of East Indian birds of the genera Ortygis and Hemipodius. They resemble quails, but lack the hind toe. See Turnix.

With stronger reason.

To miscarry; to bring forth young prematurely.

Brought forth prematurely.

The act of destroying a fetus in the womb; feticide.

Producing miscarriage. -- n.