plural of tubaist

(slang) an assault operation, performed in a confined tube-like space (mostly inside vehicles, like trains, airliners, buses, coaches etc.), usually for rescuing of hostages.

(informal) The London Underground

(electronics) An electron tube in which high-energy microwaves are produced by transferring energy from electrons

(physics) Any of several electronic devices that control electron current through vacuum, gas or vapor 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.

Alternative letter-case form of Fallopian tube

Without a tube. / Without an inner tube.

Possessing a tube or tubes.

simple past tense and past participle of tube

Of or pertaining to a tube, especially an anatomical one