n. 管, 软管, 隧道

vt. 把...装管, 使通过管子

[计] 管子

[化] 管; 管子

[医] 管

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


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.

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.
[Webster 1913 Suppl. +PJC]

{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.

Subway \Sub"way`\, n.
1. An underground way or gallery; especially, a passage under
a street, in which water mains, gas mains, telegraph
wires, etc., are conducted.

2. An underground railroad, usually having trains powered by
electricity provided by an electric line running through
the underground tunnel. It is usually confined to the
center portion of cities; -- called also {tube}, and in
Britain, {underground}. In certain other countries (as in
France or Russia) it is called the {metro}.
[PJC]