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ly one petal, or the corolla in one piece, or composed of petals cohering so as to form a tube or bowl; gamopetalous.

An acid elevator, as a tube through which acid is forced to some height in a sulphuric acid manufactory.

Having many tubes; as, a multitubular boiler.

having four lungs and only four spinnerets. They do not spin webs, but usually construct tubes in the earth, which are often furnished with a trapdoor. The South American bird spider (Mygale avicularia), and the crab spider, or matoutou (M. cancerides) are among the largest species. Some of the species are erroneously…

An apparatus for smoking tobacco. It has a long flexible tube, and the smoke is drawn through water.

partitions, which are traversed and connected together by a continuous and nearly central tube or siphuncle. See Tetrabranchiata.

as, the neurenteric canal, which, in embroys of many vertebrates, connects the medullary tube and the primitive intestine. See Illust. of Ectoderm.

re received by a plane mirror placed diagonally in the axis, and near the open end of the tube, and thrown at right angles toward one side of the tube, where the image is formed and viewed through the eyeplace. -- Newtonian theory of light. See Note under Light.

The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a pap.

A knot, a knob; a protuberance; a swelling.

A short tube, usually tapering, forming the vent of a hose or pipe.

A jag, or snag; a knob; a protuberance; also, the point or gist, as of a story. [Colloq.]

so chestnut coal. -- Nut crab (Zoöl.), any leucosoid crab of the genus Ebalia as, Ebalia tuberosa of Europe. -- Nut grass (Bot.), a plant of the Sedge family (Cyperus rotundus, var. Hydra), which has slender rootstocks bearing small, nutlike tubers, by which the plant multiplies exceedingly, especially in cotton fiel…

A Peruvian name for certain species of Oxalis (O. crenata, and O. tuberosa) which bear edible tubers.

An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the…

der Close, a. -- Open diapason (Mus.), a certain stop in an organ, in which the pipes or tubes are formed like the mouthpiece of a flageolet at the end where the wind enters, and are open at the other end. -- Open flank (Fort.), the part of the flank covered by the orillon. -- Open-front furnace (Metal.), a blast fu…

hort telescope with concave eye lenses of low power, usually made double, that is, with a tube and set of glasses for each eye; a lorgnette; -- so called because adapted for use at the opera, theater, etc. -- Opera hat, a gentleman's folding hat. -- Opera house, specifically, a theater devoted to the performance of o…

Any lid-shaped structure closing the aperture of a tube or shell.

An American ranunculaceous plant (Hidrastis Canadensis), having a yellow tuberous root; -- also called yellowroot, golden seal, etc.

ate zone, and consisting of about eighty species. They are perennial herbs growing from a tuber (beside which is usually found the last year's tuber also), and are valued for their showy flowers. See Orchidaceous.