Search the Dictionary

The division of insects that includes the dragon flies.

A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales.

The third division of the stomach of ruminants. See Manyplies, and Illust. under Ruminant.

ing; neglect or failure to do something required by propriety or duty. The most natural division of all offenses is into those of omission and those of commission. Addison.

Any plant of a proposed class or grand division (collectively termed oöphytes or Oöphyta), which have their sexual reproduction accomplished by motile antherozoids acting on oöspheres, either while included in their oögonia or after exclusion.

g to, or in the region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead. Ophthalmic region (Zoöl.), the space around the eyes.

A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.

A division of serpents which have some of the posterior maxillary teeth grooved for fangs.

An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight. Brande & C.

A catering; a buying of provisions. [Obs.] Bailey.

Of or pertaining to vision or sight. The moon, whose orb Through optic glass the Tuscan artist views. Milton.

ight, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.

An instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.

mployment of any means, other than the use of drugs, for the measurement of the powers of vision and adaptation of lenses for the aid thereof."

A division of spiders, including those that make geometrical webs, as the garden spider, or Epeira.

ve position; a rank; a row; a grade; especially, a rank or class in society; a group or division of men in the same social or other position; also, a distinct character, kind, or sort; as, the higher or lower orders of society; talent of a high order. They are in equal order to their several ends. Jer. Taylor. Various…

Orderly arrangement; preparation; provision. [Obs.] Spenser. They had made their ordinance Of victual, and of other purveyance. Chaucer.

Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian. -- n.

mestone, characteristic of the latest period of the Silurian age. Oriskany period, a subdivision of the American Paleozoic system intermediate or translational in character between the Silurian and Devonian ages. See Chart of Geology.

A division of bivalve mollusks including the oysters and allied shells.