tube /ˈtub, ˈtjub/
tube /ˈt(j)ub/ 名詞
Tube, v. t. [imp. & p. p. Tubed p. pr. & vb. n. Tubing.] To furnish with a tube; as, to tube a well.
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.”
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. Zool. (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.
8. Elec. Railways A tunnel for a tube railway; also (Colloq.), a tube railway; a subway. [Chiefly Eng.]
Note: In the New York area, the subways running under the Hudson River are sometimes referred to as the tube.
Capillary tube, a tube of very fine bore. See Capillary.
Fire tube Steam Boilers, a tube which forms a flue.
Tube coral. Zool. Same as Tubipore.
Tube foot Zool., 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 Zool., 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.
n 1: conduit consisting of a long hollow object (usually
cylindrical) used to hold and conduct objects or liquids
or gases [syn: tubing]
2: electronic device consisting of a system of electrodes
arranged in an evacuated glass or metal envelope [syn: vacuum
tube, thermionic vacuum tube, thermionic tube, electron
tube, thermionic valve]
3: a hollow cylindrical shape [syn: pipe]
4: (anatomy) any hollow cylindrical body structure [syn: tube-shaped
5: electric underground railway [syn: metro, subway, underground]
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