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To wink; to nictate. Nictitating membrance (Anat.), a thin membrance, found in many animals at the inner angle, or beneath the lower lid, of the eye, and capable of being drawn across the eyeball; the third eyelid; the haw.

Resembling the smell or taste of roast meat, or of corrupt animal matter. [R.]

The orifice at which any animal liquid, as the oil from an oil bag, is discharged. [R.] Derham.

An artificial bed of animal matter for the manufacture of niter by nitrification. See Nitrification, 2.

A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or alkali carbonate, is converted into nitrates.

fforescences on old walls, and in limestone caves, especially where there exists decaying animal matter.

ia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva.

form. (b) A child's toy, consisting of an ark-shaped box containing many different wooden animals.

A fatlike substance in certain marine animals, to which they owe their phosphorescent properties.

Not ruminating; as, a nonruminant animal.

algæ which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.

, by care, from a weak or invalid condition; to foster; to cherish; -- applied to plants, animals, and to any object that needs, or thrives by, attention. "To nurse the saplings tall." Milton. By what hands [has vice] been nursed into so uncontrolled a dominion Locke.

That which nourishes; anything which promotes growth and repairs the natural waste of animal or vegetable life; food; aliment. The stomach returns what it has received, in strength and nutriment diffused into all parts of the body. South.

noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal.

An animal having eight feet, as a spider.

The various relations of animals and plants to one another and to the outer world.

Of or pertaining to sexual desire; -- mostly applied to brute animals; as, the oestrual period; oestrual influence.

A vehement desire; esp. (Physiol.), the periodical sexual impulse of animals; heat; rut.

On the farther side; most distant; on the side of an animal or a team farthest from the driver when he is on foot; in the United States, the right side; as, the off horse or ox in a team, in distinction from the Ant: nigh or Ant: near horse or ox; the off leg.

The rejected or waste parts of a butchered animal.