Overview of noun tube

The noun tube has 5 senses

• tube, tubing -- (conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases)


• tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve -- (electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope)


• pipe, tube -- (a hollow cylindrical shape)


• tube, tube-shaped structure -- ((anatomy) any hollow cylindrical body structure)


• metro, tube, underground, subway system, subway -- (an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'")

Overview of verb tube

The verb tube has 4 senses

• tube -- (provide with a tube or insert a tube into)


• tube -- (convey in a tube; "inside Paris, they used to tube mail")


• tube -- (ride or float on an inflated tube; "We tubed down the river on a hot summer day")


• tube -- (place or enclose in a tube)