airline |
a tube or hose used to carry air to where it will be used, as to a deep-sea diver. [1/2 definitions] |
ampulla |
an enlarged part of a tube or canal, as of a milk canal in the milk-secreting glands of a mammal. [1/2 definitions] |
appendix |
a short closed tube of tissue that projects from the pouch at the beginning of the large intestine in the lower right-hand side of the abdomen; vermiform appendix. [1/3 definitions] |
Argand burner |
an oil or gas burner having a metal tube inside a cylindrical wick, through which air is conducted directly to the flame. |
arthroscope |
an instrument in the shape of a fine tube that is used, in conjunction with fiber optics, for diagnosing and treating ailments of the joint. |
bassoon |
a large low-pitched woodwind instrument consisting of a long doubled wooden tube fitted with a slender curved metal tube that terminates in a double-reed mouthpiece. |
bias |
a voltage applied to an electronic device, such as a transistor or a vacuum tube, to establish a reference level of operation. [1/8 definitions] |
blowgun |
a hollow tube through which missiles such as darts, pellets, or arrows may be projected by blowing. |
blowpipe |
a metal tube through which air or gas is forced in a controlled flow into a flame to concentrate and intensify its heat. [2/3 definitions] |
bore1 |
the interior diameter of a tube or cylinder, esp. the barrel of a firearm. [1/7 definitions] |
bottleneck |
a style of guitar playing in which the neck of a bottle or a metal tube is slid up and down the strings. [1/4 definitions] |
bronchiole |
any of the small, thin-walled branches of a bronchial tube. |
burette |
a perfectly cylindrical tube with a stopcock near the bottom, used esp. by chemists for measuring out precise amounts of liquid. |
caliber |
the inner diameter of a gun barrel or other tube. [1/3 definitions] |
cap1 |
a cover resembling a cap in shape, use, or placement, such as the cap on a bottle or tube. [1/10 definitions] |
capillary |
a small, fine tube. [2/6 definitions] |
catheter |
a thin, flexible, hollow tube inserted into a body passage or cavity to drain fluid, esp. urine from the bladder. |
cathode ray |
a stream of electrons emitted by a cathode in a vacuum tube. |
cathode-ray tube |
a vacuum tube in which a stream of electrons is accelerated and focused in a beam that produces lighted traces on a screen at one end of the tube, used in television sets, computer monitors, and the like. |
chimney |
a glass tube that surrounds the flame of a lamp and serves to ventilate and protect the flame. [1/2 definitions] |
cigarette |
a short, narrow tube of thin paper containing finely cut, cured tobacco for smoking. |