tubes, considered as a group / a length of tube, or a system of tubes / the recreation of riding down a river on an inner tube

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

(Australia, slang, derogatory) A cook, especially a second-rate one. / (Australia, slang) A microwave oven. / (Australia, slang) Tomato sauce.

Alternative form of tumbril

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

(historical) A kind of medieval torture device, later associated with a cucking stool. / A cart which opens at the back to release its load.

A machine, consisting of a drum that rotates on a horizontal axis, that grinds or pulverizes material mixed with a grinding material such as iron balls.

Calcareous lime deposited by precipitation from a body of water, such as a hot spring. / (petrology) A variety of volcanic rock, tuff.