Adjacent Words

Tube definitions

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Webster's 1828 Dictionary

TUBE, n. [L. tubus.] A pipe; a siphon; a canal or conduit; a hollow cylinder, either of wood, metal or glass, used for the conveyance of fluids, and for various other purposes.
1. A vessel of animal bodies or plants, which conveys a fluid or other substance.
2. In botany, the narrow hollow part of a monopetalous corol, by which it is fixed to the receptacle.
3. In artillery, an instrument of tin, used in quick firing.
TUBE, v.t. To furnish with a tube; as, to tube a well.

WordNet (r) 3.0 (2005)

n
1: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases [syn: tube, tubing]
2: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope [syn: tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve]
3: a hollow cylindrical shape [syn: pipe, tube]
4: (anatomy) any hollow cylindrical body structure [syn: tube, tube-shaped structure]
5: an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'" [syn: metro, tube, underground, subway system, subway] v
1: provide with a tube or insert a tube into
2: convey in a tube; "inside Paris, they used to tube mail"
3: ride or float on an inflated tube; "We tubed down the river on a hot summer day"
4: place or enclose in a tube

Merriam Webster's

noun Etymology: French, from Latin tubus; akin to Latin tuba trumpet Date: 1651 1. any of various usually cylindrical structures or devices: as a. a hollow elongated cylinder; especially one to convey fluids b. a soft tubular container whose contents (as toothpaste) can be removed by squeezing c. (1) tunnel (2) British subway b d. the basically cylindrical section between the mouthpiece and bell that is the fundamental part of a wind instrument 2. a. a slender channel (as a fallopian tube or a pollen tube) within a plant or animal body ; duct b. the narrow basal portion of a corolla with united petals or a calyx with united sepals 3. inner tube 4. a. electron tube; especially vacuum tube b. cathode-ray tube; especially a television picture tube c. television 5. an article of clothing shaped like a tube <a tube top> <tube socks> • tubed adjective • tubelike adjective

Oxford Reference Dictionary

n. & v. --n. 1 a long hollow rigid or flexible cylinder, esp. for holding or carrying air, liquids, etc. 2 a soft metal or plastic cylinder sealed at one end and having a screw cap at the other, for holding a semi-liquid substance ready for use (a tube of toothpaste). 3 Anat. & Zool. a hollow cylindrical organ in the body (bronchial tubes; Fallopian tubes). 4 (often prec. by the) colloq. the London underground railway system (went by tube). 5 a a cathode-ray tube esp. in a television set. b (prec. by the) esp. US colloq. television. 6 US a thermionic valve. 7 = inner tube. 8 the cylindrical body of a wind instrument. 9 Austral. sl. a can of beer. --v.tr. 1 equip with tubes. 2 enclose in a tube. Derivatives: tubeless adj. (esp. in sense 7 of n.). tubelike adj. Etymology: F tube or L tubus

Webster's 1913 Dictionary

Visceral Vis"cer*al, a. [Cf. F. visc['e]ral, LL. visceralis.] 1. (Anat.) Of or pertaining to the viscera; splanchnic. 2. Fig.: Having deep sensibility. [R.] --Bp. Reynolds. Visceral arches (Anat.), the bars or ridges between the visceral clefts. Visceral cavity or tube (Anat.), the ventral cavity of a vertebrate, which contains the alimentary canal, as distinguished from the dorsal, or cerebro-spinal, canal. Visceral clefts (Anat.), transverse clefts on the sides just back of the mouth in the vertebrate embryo, which open into the pharyngeal portion of the alimentary canal, and correspond to the branchial clefts in adult fishes.

Webster's 1913 Dictionary

Tube Tube, n. (Elec. Railways) A tunnel for a tube railway; also (Colloq.), a tube railway. [Chiefly Eng.]

Webster's 1913 Dictionary

Tube 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.

Webster's 1913 Dictionary

Tube Tube, v. t. [imp. & p. p. Tubed; p. pr. & vb. n. Tubing.] To furnish with a tube; as, to tube a well.

Collin's Cobuild Dictionary

(tubes) Frequency: The word is one of the 3000 most common words in English. 1. A tube is a long hollow object that is usually round, like a pipe. He is fed by a tube that enters his nose. ...a cardboard tube. N-COUNT 2. A tube of something such as paste is a long, thin container which you squeeze in order to force the paste out. ...a tube of toothpaste. ...a small tube of moisturizer. N-COUNT: oft N of n 3. Some long, thin, hollow parts in your body are referred to as tubes. The lungs are in fact constructed of thousands of tiny tubes. N-COUNT 4. The tube is the underground railway system in London. (BRIT) I took the tube then the train and came straight here... N-SING: the N, also by N 5. You can refer to the television as the tube. (AM INFORMAL; in BRIT, use the box) The only baseball he saw was on the tube. = TV N-COUNT: the N 6. If a business, economy, or institution goes down the tubes or goes down the tube, it fails or collapses completely. (mainly AM INFORMAL) The country was going down the tubes economically... PHRASE: V inflects 7. see also bronchial tube, cathode-ray tube, fallopian tube, inner tube, test tube

Soule's Dictionary of English Synonyms

n. Pipe, hollow cylinder.

Moby Thesaurus

Amtrak, L, Photronic cell, adjutage, amplifier, anode, attenuator, audio-frequency tube, baggage train, ballast regulator, ballast tube, barrel, base, beam-switching tube, bole, branch, cable railroad, cable railway, cask, catheter, cathode, cathode-ray tube, channel, choo-choo, cog railroad, cog railway, color kinescope, column, convertor, current regulator, cylinder, cylindroid, damper, detector, direct-viewing tube, discharge tube, discriminator, dissector tube, doubler, drainpipe, drum, efflux tube, el, electric, electric railway, electric train, electrode, electron-image tube, elevated, elevated railway, embankment, express, express train, feeder, feeder line, filament, fire hose, flier, flue pipe, flume, focus tube, freight, freight train, freighter, funicular, funnel, garden hose, gas phototube, gas pipe, generator, goods train, gravity-operated railway, grid, horse railway, hose, hosepipe, iconoscope, image dissector, image iconoscope, interurban, inverter, junction, kinescope, light railroad, lightning express, limited, limiter, line, local, local-oscillator tube, main line, metro, milk train, mixer tube, modulator, monorail, monoscope, multiplier, multiplier phototube, multipurpose tube, multivibrator, nipple, organ pipe, oscillator, output tube, parliamentary, parliamentary train, passenger train, phase inverter, photocathode, photoconductor cell, photomultiplier tube, phototube, photovoltaic cell, picture tube, pillar, pipe, pipeline, pipette, piping, plate, power tube, pulse generator, put through channels, rack railway, rack-and-pinion railroad, rack-and-pinion railway, radio tube, radio-frequency tube, rail, rail line, railroad, railroad train, railway, rattler, receiving tube, rectifier tube, reed, reed pipe, regulator, repeater, roadbed, roadway, roll, roller, rolling stock, rouleau, shuttle, shuttle train, siamese, siamese connection, sidetrack, siding, siphon, snorkel, soft phototube, soil pipe, special, standpipe, steam pipe, stem, straw, streamliner, street railway, streetcar line, subway, switchback, tap, terminal, terminus, track, train, tram, tramline, transducer, trestle, trigatron, trigger tube, trolley line, trunk, trunk line, tubing, tubulation, tubule, tubulet, tubulure, turnout, underground, vacuum phototube, vacuum tube, valve, waste pipe, water pipe, way train