present participle of tube

(anatomy) A tubule in the nephron in the kidney that goes to the pelvis. Its primary function is to bring urine to the pelvis of the kidney.

a photoelectric device for intensifying faint astronomical images

a vacuum tube in which electrons from a heated cathode are focused and deflected onto a phosphorescent screen; used in television sets etc

plural of tuba

A device in some early internal combustion engines that ignited the fuel/air mixture in a tube heated by a flame

someone who plays the tuba

An inflatable rubber tube inserted into the casing of a pneumatic tyre/tire.

A phototube in which an electric current flows when a certain illumination is reached; used as a relay

(electronics) A type of electron tube that controls electron current through vacuum between electrodes within a sealed container, usually of glass or metal and often designed to be easily installed in and removed from the equipment in which it is used.