Definitions for tube

Definitions for (noun) tube

Main entry: metro, tube, underground, subway, subway system

Definition: an electric railway operating below the surface of the ground (usually in a city)

Usage: in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

Main entry: tube, tubing

Definition: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Main entry: tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, electron tube

Definition: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

Main entry: tube, tube-shaped structure

Definition: (anatomy) any hollow cylindrical body structure

Main entry: tube, pipe

Definition: a hollow cylindrical shape

Definitions for (verb) tube

Main entry: tube

Definition: place or enclose in a tube

Main entry: tube

Definition: ride or float on an inflated tube

Usage: We tubed down the river on a hot summer day

Main entry: tube

Definition: convey in a tube

Usage: inside Paris, they used to tube mail

Main entry: tube

Definition: provide with a tube or insert a tube into

Visual thesaurus for tube