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nouna hollow cylindrical shape
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noun(anatomy) any hollow cylindrical body structure
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nounan electric railway operating below the surface of the ground (usually in a city)
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nounconduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
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nounelectronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelopetype of:part of:
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verbconvey in a tube
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verbplace or enclose in a tube
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verbprovide with a tube or insert a tube into
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verbride or float on an inflated tubetype of:
Examples of tube
- "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"
- "inside Paris, they used to tube mail"
- "We tubed down the river on a hot summer day"