Words · Common
tube
/tub/ · 4 letters · 4 distinct letters
- noun
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
- noun
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
- noun
a hollow cylindrical shape
- noun
(anatomy) any hollow cylindrical body structure
- noun
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'