Synonyms and Antonyms for tube
1. tube (n.)
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
- capillary tube
- pipage
- chromatography column
- blowtube
- pea shooter
- torpedo tube
- drinking straw
- wellpoint
- stent
- mouthpiece
- venturi
- blow tube
- straw
- tobacco pipe
- blowpipe
- cannula
- conduit
- hose
- well point
- hosepipe
- siphon
- gun barrel
- silencer
- blowgun
- coil
- catheter
- capillary tubing
- capillary
- syphon
- drain
- cigarette holder
- inner tube
- column
- pipe
- piping
- test tube
- tubing
- barrel
- speaking tube
- stem
2. tube-nosed fruit bat (n.)
any of various fruit bats of the genus Nyctimene distinguished by nostrils drawn out into diverging tubes
3. tube (n.)
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
- triode
- vacuum tube
- television-camera tube
- cathode
- control grid
- anode
- thermionic valve
- rectifying tube
- rectifying valve
- electrode
- tetrode
- diode
- electron tube
- electric circuit
- magnetron
- electronic device
- plate
- electron multiplier
- klystron
- grid
- pentode
- thermionic tube
- gas-discharge tube
- X-ray tube
- thermionic vacuum tube
- circuit
- electrical circuit
- television pickup tube
- acorn tube
7. tube (n.)
an electric railway operating below the surface of the ground (usually in a city)
9. tube (n.)
(anatomy) any hollow cylindrical body structure
