n.
1.conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
2.electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
3.a hollow cylindrical shape
4.(anatomy) any hollow cylindrical body structure
5.electric underground railway tube v.
1.provide with a tube or insert a tube into
2.convey in a tube
3.ride or float on an inflated tube
4.place or enclose in a tube
Idiom of the Day
change one's tune
to make a change in one`s story/statement/opinion/policy
Our supervisor has changed his tune and agrees that we need to do things differently.
