Dictionary entry details
• TUBE (noun)
Meaning:
Conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
Classified under:
Nouns denoting man-made objects
Synonyms:
tube; tubing
Hypernyms ("tube" is a kind of...):
conduit (a passage (a pipe or tunnel) through which water or electric wires can pass)
Hyponyms (each of the following is a kind of "tube"):
well point; wellpoint (a perforated tube driven into the ground to collect water from the surrounding area)
pipage; pipe; piping (a long tube made of metal or plastic that is used to carry water or oil or gas etc.)
pipe; tobacco pipe (a tube with a small bowl at one end; used for smoking tobacco)
silencer (short tube attached to the muzzle of a gun that deadens the sound of firing)
siphon; syphon (a tube running from the liquid in a vessel to a lower level outside the vessel so that atmospheric pressure forces the liquid through the tube)
speaking tube (a tube for conveying the sound of a voice from one room to another)
stem (the tube of a tobacco pipe)
stent (a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis)
drinking straw; straw (a thin paper or plastic tube used to such liquids into the mouth)
test tube (glass tube closed at one end)
torpedo tube (a tube near the waterline of a vessel through which a torpedo is fired)
venturi (a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor))
pea shooter (a straight narrow tube through which pellets (as dried peas) can be blown at a target)
mouthpiece (the tube of a pipe or cigarette holder that a smoker holds in the mouth)
barrel; gun barrel (a tube through which a bullet travels when a gun is fired)
blow tube; blowgun; blowpipe; blowtube (a tube through which darts can be shot by blowing)
blow tube; blowpipe; blowtube (a tube that directs air or gas into a flame to concentrate heat)
cannula (a small flexible tube inserted into a body cavity for draining off fluid or introducing medication)
capillary; capillary tube; capillary tubing (a tube of small internal diameter; holds liquid by capillary action)
catheter (a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open)
cigarette holder (a tube that holds a cigarette while it is being smoked)
inner tube (an inflatable rubber tube that fits inside the casing of a pneumatic tire)
hose; hosepipe (a flexible pipe for conveying a liquid or gas)
drain (tube inserted into a body cavity (as during surgery) to remove unwanted material)
chromatography column; column (a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands)
coil (tubing that is wound in a spiral)
Meaning:
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Classified under:
Nouns denoting man-made objects
Synonyms:
vacuum tube; thermionic valve; thermionic vacuum tube; thermionic tube; electron tube; tube
Hypernyms ("tube" is a kind of...):
electronic device (a device that accomplishes its purpose electronically)
Meronyms (parts of "tube"):
plate (the positively charged electrode in a vacuum tube)
control grid; grid (an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube)
electrode (a conductor used to make electrical contact with some part of a circuit)
cathode (a negatively charged electrode that is the source of electrons entering an electrical device)
anode (a positively charged electrode by which electrons leave an electrical device)
Hyponyms (each of the following is a kind of "tube"):
tetrode (a thermionic tube having four electrodes)
television pickup tube; television-camera tube (a tube that rapidly scans an optical image and converts it into electronic signals)
pentode (a thermionic tube having five electrodes)
magnetron (a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators)
klystron (an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation)
gas-discharge tube (a tube in which an electric discharge takes place through a gas)
electron multiplier (a vacuum tube that amplifies a flow of electrons)
diode; rectifying tube; rectifying valve (a thermionic tube having two electrodes; used as a rectifier)
X-ray tube (a vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays)
acorn tube (a small vacuum tube; used at high frequencies)
triode (a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which making amplification possible)
Holonyms ("tube" is a part of...):
circuit; electric circuit; electrical circuit (an electrical device that provides a path for electrical current to flow)
Meaning:
A hollow cylindrical shape
Classified under:
Nouns denoting two and three dimensional shapes
Synonyms:
tube; pipe
Hypernyms ("tube" is a kind of...):
cylinder (a surface generated by rotating a parallel line around a fixed line)
Meaning:
(anatomy) any hollow cylindrical body structure
Classified under:
Nouns denoting body parts
Synonyms:
tube-shaped structure; tube
Hypernyms ("tube" is a kind of...):
anatomical structure; bodily structure; body structure; complex body part; structure (a particular complex anatomical part)
Domain category:
anatomy; general anatomy (the branch of morphology that deals with the structure of animals)
Hyponyms (each of the following is a kind of "tube"):
tubule (a small tube)
salpinx (a tube in the uterus or the ear)
cochlea (the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti)
vas; vessel (a tube in which a body fluid circulates)
Meaning:
An electric railway operating below the surface of the ground (usually in a city)
Classified under:
Nouns denoting man-made objects
Synonyms:
metro; subway; subway system; underground; tube
Context example:
in Paris the subway system is called the 'metro' and in London it is called the 'tube' or the 'underground'
Hypernyms ("tube" is a kind of...):
railroad; railroad line; railway; railway line; railway system (line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight)
• TUBE (verb)
Meaning:
Provide with a tube or insert a tube into
Classified under:
Verbs of buying, selling, owning
Hypernyms (to "tube" is one way to...):
furnish; provide; render; supply (provide or furnish with)
Sentence frame:
Somebody ----s something
Meaning:
Convey in a tube
Classified under:
Verbs of walking, flying, swimming
Context example:
inside Paris, they used to tube mail
Hypernyms (to "tube" is one way to...):
bring; convey; take (take something or somebody with oneself somewhere)
Sentence frame:
Somebody ----s something
Meaning:
Ride or float on an inflated tube
Classified under:
Verbs of walking, flying, swimming
Context example:
We tubed down the river on a hot summer day
Hypernyms (to "tube" is one way to...):
ride (be carried or travel on or in a vehicle)
Sentence frames:
Somebody ----s
Somebody ----s PP
Meaning:
Place or enclose in a tube
Classified under:
Verbs of touching, hitting, tying, digging
Hypernyms (to "tube" is one way to...):
enclose; enfold; envelop; enwrap; wrap (enclose or enfold completely with or as if with a covering)
Sentence frame:
Somebody ----s something