Tube (Noun)
Meaning 1
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'".
Classification
Nouns denoting man-made objects.
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Hypernyms
Meaning 2
(anatomy) any hollow cylindrical body structure.
Classification
Nouns denoting body parts.
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Hypernyms
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Meaning 3
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.
Classification
Nouns denoting man-made objects.
Synonyms
Hyponyms
Meaning 4
A hollow cylindrical shape.
Classification
Nouns denoting two and three dimensional shapes.
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Hypernyms
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Meaning 5
Conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases.
Classification
Nouns denoting man-made objects.
Synonyms
Hyponyms
- Capillary Tube
- Drinking Straw
- Piping
- Syphon
- Pipage
- Blowpipe
- Blowtube
- Gun Barrel
- Hosepipe
- Tobacco Pipe
- Capillary Tubing
- Wellpoint
- Blow Tube
- Chromatography Column