Definition of tube

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Tube (n.) A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe..

Lern More About Tube

Artery :: Artery (n.) One of the vessels or tubes which carry either venous or arterial blood from the heart. They have tricker and more muscular walls than veins, and are connected with them by capillaries..
Tube :: Tube (n.) The narrow, hollow part of a gamopetalous corolla..
Miliary :: Miliary (a.) Small and numerous; as, the miliary tubercles of Echini..
Eustachian :: Eustachian (a.) Pertaining to the Eustachian tube; as, Eustachian catheter..
Umbonated :: Umbonated (a.) Having a conical or rounded projection or protuberance, like a boss..
Hump :: Hump (n.) A fleshy protuberance on the back of an animal, as a camel or whale..
Hub :: Hub (n.) A rough protuberance or projecting obstruction; as, a hub in the road. [U.S.] See Hubby..
Trachea :: Trachea (n.) One of the respiratory tubes of insects and arachnids.
Sconce :: Sconce (p. p.) Hence, the circular tube, with a brim, in a candlestick, into which the candle is inserted..
Tuber :: Tuber (n.) A fleshy, rounded stem or root, usually containing starchy matter, as the potato or arrowroot; a thickened root-stock. See Illust. of Tuberous..
Tubulated :: Tubulated (a.) Made in the form of a small tube; provided with a tube, or elongated opening..
Tubivalve :: Tubivalve (n.) A shell or tube formed by an annelid, as a serpula..
Protuberance :: Protuberance (n.) That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.
Maldanian :: Maldanian (n.) Any species of marine annelids of the genus Maldane, or family Maldanidae. They have a slender, round body, and make tubes in the sand or mud..
Ambulacrum :: Ambulacrum (n.) One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays..
Blowpipe :: Blowpipe (n.) A tube for directing a jet of air into a fire or into the flame of a lamp or candle, so as to concentrate the heat on some object..
Stapes :: Stapelia (n.) An extensive and curious genus of African plants of the natural order Asclepiadaceae (Milkweed family). They are succulent plants without leaves, frequently covered with dark tubercles giving them a very grotesque appearance. The odor of the blossoms is like that of carrion..
Foralite :: Foralite (n.) A tubelike marking, occuring in sandstone and other strata..
Calipers :: Calipers (n. pl.) An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses..
Worm :: Worm (n.) The condensing tube of a still, often curved and wound to economize space. See Illust. of Still..
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