Definition of tube

What does the word tube mean? Find synonyms, antonyms and the meaning of the word tube in our free online dictionary! Find words starting with tube and anagrams of tube.
Lookup tube in the Scrabble Dictionary

tube - 10 definitions

- noun
1. tube -- conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
synonyms: tubing
Source:WordNet 3.0
 
2. tube -- electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
synonyms: vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve
Source:WordNet 3.0
 
3. pipe -- a hollow cylindrical shape
synonyms: pipe
Source:WordNet 3.0
 
4. tube -- (anatomy) any hollow cylindrical body structure
synonyms: tube-shaped structure
Source:WordNet 3.0
 
5. metro -- 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'"
synonyms: metro, underground, subway system, subway
Source:WordNet 3.0
 
- verb
6. tube -- provide with a tube or insert a tube into
Source:WordNet 3.0
 
7. tube -- convey in a tube; "inside Paris, they used to tube mail"
Source:WordNet 3.0
 
8. tube -- ride or float on an inflated tube; "We tubed down the river on a hot summer day"
Source:WordNet 3.0
 
9. tube -- place or enclose in a tube
Source:WordNet 3.0
 
10. tube, tubed -- to provide with a tube
synonyms: tubed, tubes
Source:OWL 2 Web Ontology Language
 
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