Synonyms of tube


1. tube, tubing, conduit

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

2. tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve, electronic device

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

3. pipe, tube, cylinder

usage: a hollow cylindrical shape

4. tube, tube-shaped structure, structure, anatomical structure, complex body part, bodily structure, body structure

usage: (anatomy) any hollow cylindrical body structure

5. metro, tube, underground, subway system, subway, railway, railroad, railroad line, railway line, railway system

usage: 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'"


1. tube, supply, provide, render, furnish

usage: provide with a tube or insert a tube into

2. tube, bring, convey, take

usage: convey in a tube; "inside Paris, they used to tube mail"

3. tube, ride

usage: ride or float on an inflated tube; "We tubed down the river on a hot summer day"

4. tube, envelop, enfold, enwrap, wrap, enclose

usage: place or enclose in a tube

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Definition and meaning of tube (Dictionary)