Definition of tube

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Tube (n.) A more or less cylindrical, and often spiral, case secreted or constructed by many annelids, crustaceans, insects, and other animals, for protection or concealment. See Illust. of Tubeworm..

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Infundibulum :: Infundibulum (n.) A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes..
Ipomoeic :: Ipomoeic (a.) Pertaining to, or designating, an acid obtained by the oxidation of convolvulin (obtained from jalap, the tubers of Ipomoea purga), and identical in most of its properties with sebacic acid..
Prominent :: Prominent (a.) Standing out, or projecting, beyond the line surface of something; jutting; protuberant; in high relief; as, a prominent figure on a vase..
Capitulum :: Capitulum (n.) A knoblike protuberance of any part, esp. at the end of a bone or cartilage. [See Illust. of Artiodactyla.].
Telescopical :: Telescopical (a.) Having the power of extension by joints sliding one within another, like the tube of a small telescope or a spyglass; especially (Mach.), constructed of concentric tubes, either stationary, as in the telescopic boiler, or movable, as in the telescopic chimney of a war vessel, which may be put out of sight by being lowered endwise..
Stal :: Staktometer (n.) A drop measurer; a glass tube tapering to a small orifice at the point, and having a bulb in the middle, used for finding the number of drops in equal quantities of different liquids. See Pipette..
Phyma :: Phyma (n.) A tubercle on any external part of the body.
Nozzle :: Nozzle (n.) A short tube, usually tapering, forming the vent of a hose or pipe..
Caloriduct :: Caloriduct (n.) A tube or duct for conducting heat; a caliduct.
Tube :: Tube (n.) A priming tube, or friction primer. See under Priming, and Friction..
Burette :: Burette (n.) An apparatus for delivering measured quantities of liquid or for measuring the quantity of liquid or gas received or discharged. It consists essentially of a graduated glass tube, usually furnished with a small aperture and stopcock..
Tuberose :: Tuberose (a.) Tuberous.
Biventral :: Biventral (a.) Having two bellies or protuberances; as, a biventral, or digastric, muscle, or the biventral lobe of the cerebellum..
Convex :: Convex (a.) Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; -- said of a spherical surface or curved line when viewed from without, in opposition to concave..
Pomme :: Pomme (a.) Having the ends terminating in rounded protuberances or single balls; -- said of a cross.
Round :: Round (a.) Having a curved outline or form; especially, one like the arc of a circle or an ellipse, or a portion of the surface of a sphere; rotund; bulging; protuberant; not angular or pointed; as, a round arch; round hills..
Tuberosity :: Tuberosity (n.) The state of being tuberous.
Tubercled :: Tubercled (a.) Having tubercles; affected with, tubercles; tuberculate; as, a tubercled lung or stalk..
Snag :: Snag (n.) A stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance..
Barrel :: Barrel (n.) A metallic tube, as of a gun, from which a projectile is discharged..
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