Synonyms: metro, tube, underground, subway, subway system
Definition: an electric railway operating below the surface of the ground (usually in a city)
Usage: in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
Similar words: railroad, railroad line, railway, railway line, railway system
Definition: line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
Definition: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
Similar words: conduit
Definition: a passage (a pipe or tunnel) through which water or electric wires can pass
Usage: the computers were connected through a system of conduits
Synonyms: tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, electron tube
Definition: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Similar words: electronic device
Definition: a device that accomplishes its purpose electronically
Synonyms: tube, tube-shaped structure
Definition: (anatomy) any hollow cylindrical body structure
Similar words: anatomical structure, bodily structure, body structure, complex body part, structure
Definition: a particular complex anatomical part of a living thing
Usage: he has good bone structure
Definition: a hollow cylindrical shape
Similar words: cylinder
Definition: a surface generated by rotating a parallel line around a fixed line
Synonyms: tube
Definition: place or enclose in a tube
Similar words: enclose, enfold, envelop, enwrap, wrap
Definition: enclose or enfold completely with or as if with a covering
Usage: Fog enveloped the house
Synonyms: tube
Definition: ride or float on an inflated tube
Usage: We tubed down the river on a hot summer day
Similar words: ride
Definition: be carried or travel on or in a vehicle
Usage: I ride to work in a bus; He rides the subway downtown every day
Synonyms: tube
Definition: convey in a tube
Usage: inside Paris, they used to tube mail
Similar words: bring, convey, take
Definition: take something or somebody with oneself somewhere
Usage: Bring me the box from the other room; Take these letters to the boss; This brings me to the main point
Synonyms: tube
Definition: provide with a tube or insert a tube into
Similar words: supply, render, provide, furnish
Definition: give something useful or necessary to
Usage: We provided the room with an electrical heater