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Definitions for: Tube
[n] electric underground railway
[n] conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct liquids or gases
[n] electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
[n] (anatomy) any hollow cylindrical body structure
[n] a hollow cylindrical shape
[v] convey in a tube
Webster (1913) Definition: Tube, n. (Elec. Railways)
A tunnel for a tube railway; also (Colloq.), a tube railway.
[Chiefly Eng.]
Tube, n. [L. tubus; akin to tuba a trumpet: cf F. tube.]
1. A hollow cylinder, of any material, used for the
conveyance of fluids, and for various other purposes; a
pipe.
2. A telescope. ``Glazed optic tube.'' --Milton.
3. A vessel in animal bodies or plants, which conveys a fluid
or other substance.
4. (Bot.) The narrow, hollow part of a gamopetalous corolla.
5. (Gun.) A priming tube, or friction primer. See under
Priming, and Friction.
6. (Steam Boilers) A small pipe forming part of the boiler,
containing water and surrounded by flame or hot gases, or
else surrounded by water and forming a flue for the gases
to pass through.
7. (Zo["o]l.)
(a) 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.
(b) One of the siphons of a bivalve mollusk.
Capillary tube, a tube of very fine bore. See Capillary.
Fire tube (Steam Boilers), a tube which forms a flue.
Tube coral. (Zo["o]l.) Same as Tubipore.
Tube foot (Zo["o]l.), one of the ambulacral suckers of an
echinoderm.
Tube plate, or Tube sheet (Steam Boilers), a flue plate.
See under Flue.
Tube pouch (Mil.), a pouch containing priming tubes.
Tube spinner (Zo["o]l.), any one of various species of
spiders that construct tubelike webs. They belong to
Tegenaria, Agelena, and allied genera.
Water tube (Steam Boilers), a tube containing water and
surrounded by flame or hot gases.
Tube, v. t. [imp. & p. p. Tubed; p. pr. & vb. n.
Tubing.]
To furnish with a tube; as, to tube a well.
Synonyms: electron tube, metro, pipe, subway, thermionic tube, thermionic vacuum tube, thermionic valve, tube-shaped structure, tubing, underground, vacuum tube
See Also: acorn tube, anatomical structure, anode, barrel, blow tube, blowgun, blowpipe, blowtube, bodily structure, body structure, bring, cannula, capillary, capillary tube, capillary tubing, catheter, cathode, chromatography column, cigarette holder, circuit, cochlea, coil, column, complex body part, conduit, control grid, convey, cylinder, diode, drain, drinking straw, electric circuit, electrical circuit, electrode, electron multiplier, electronic device, gas-discharge tube, grid, gun barrel, hose, hosepipe, inner tube, klystron, magnetron, mouthpiece, pea shooter, pentode, pipage, pipe, piping, plate, railroad, railroad line, railway, railway line, railway system, rectifying tube, rectifying valve, salpinx, silencer, siphon, speaking tube, stem, stent, straw, structure, syphon, take, television pickup tube, television-camera tube, test tube, tetrode, tobacco pipe, torpedo tube, triode, tubule, vas, venturi, vessel, well point, wellpoint, X-ray tube
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