tube

definition: an electric railway operating below the surface of the ground (usually in a city)
example: in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
speech part: noun
synonyms: underground
definition: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
example:
speech part: noun
synonyms: tubing
definition: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
example:
speech part: noun
synonyms: thermionic vacuum tube thermionic tube electron tube thermionic valve
definition: (anatomy) any hollow cylindrical body structure
example:
speech part: noun
synonyms:
definition: a hollow cylindrical shape
example:
speech part: noun
synonyms: pipe
definition: place or enclose in a tube
example:
speech part: verb
synonyms:
definition: ride or float on an inflated tube
example: We tubed down the river on a hot summer day
speech part: verb
synonyms:
definition: convey in a tube
example: inside Paris, they used to tube mail
speech part: verb
synonyms:
definition: provide with a tube or insert a tube into
example:
speech part: verb
synonyms:
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