| / English Dictionary |
TUBE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An electric railway operating below the surface of the ground (usually in a city)
Example:
in Paris the subway system is called the 'metro' and in London it is called the 'tube' or the 'underground'
Synonyms:
metro; subway; subway system; tube; underground
Classified under:
Nouns denoting man-made objects
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)
Sense 2
Meaning:
Conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
Synonyms:
tube; tubing
Classified under:
Nouns denoting man-made objects
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)
venturi (a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor))
torpedo tube (a tube near the waterline of a vessel through which a torpedo is fired)
test tube (glass tube closed at one end)
drinking straw; straw (a thin paper or plastic tube used to suck liquids into the mouth)
stent (a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis)
stem (the tube of a tobacco pipe)
speaking tube (a tube for conveying the sound of a voice from one room to another)
siphon; syphon (a tube running from the liquid in a vessel to a lower level outside the vessel so that gravity forces the liquid through the tube)
silencer (short tube attached to the muzzle of a gun that deadens the sound of firing)
pipe; tobacco pipe (a tube with a small bowl at one end; used for smoking tobacco)
pipage; pipe; piping (a long tube made of metal or plastic that is used to carry water or oil or gas etc.)
pea shooter (a straight narrow tube through which pellets (as dried peas) can be blown at a target)
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)
coil (tubing that is wound in a spiral)
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)
drain (tube inserted into a body cavity (as during surgery) to remove unwanted material)
hose; hosepipe (a flexible pipe for conveying a liquid or gas)
inner tube (an inflatable rubber tube that fits inside the casing of a pneumatic tire)
mouthpiece (the tube of a pipe or cigarette holder that a smoker holds in the mouth)
Derivation:
tube (place or enclose in a tube)
tubular (constituting a tube; having hollow tubes (as for the passage of fluids))
Sense 3
Meaning:
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Synonyms:
electron tube; thermionic tube; thermionic vacuum tube; thermionic valve; tube; vacuum tube
Classified under:
Nouns denoting man-made objects
Hypernyms ("tube" is a kind of...):
electronic device (a device that accomplishes its purpose electronically)
Meronyms (parts of "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)
plate (the positively charged electrode in a vacuum tube)
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"):
triode (a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible)
tetrode (a thermionic tube having four electrodes)
television-camera tube; television pickup 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)
Holonyms ("tube" is a part of...):
circuit; electric circuit; electrical circuit (an electrical device that provides a path for electrical current to flow)
Sense 4
Meaning:
(anatomy) any hollow cylindrical body structure
Synonyms:
tube; tube-shaped structure
Classified under:
Hypernyms ("tube" is a kind of...):
anatomical structure; bodily structure; body structure; complex body part; structure (a particular complex anatomical part of a living thing and its construction and arrangement)
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)
Derivation:
tubal (of or relating to occurring in a tube such as e.g. the Fallopian tube or Eustachian tube)
tube (place or enclose in a tube)
tube (convey in a tube)
tube (provide with a tube or insert a tube into)
Sense 5
Meaning:
A hollow cylindrical shape
Synonyms:
pipe; tube
Classified under:
Nouns denoting two and three dimensional shapes
Hypernyms ("tube" is a kind of...):
cylinder (a surface generated by rotating a parallel line around a fixed line)
Derivation:
tube (place or enclose in a tube)
II. (verb)
Sense 1
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
Derivation:
tube (conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases)
tube ((anatomy) any hollow cylindrical body structure)
tube (a hollow cylindrical shape)
Sense 2
Meaning:
Ride or float on an inflated tube
Example:
We tubed down the river on a hot summer day
Classified under:
Verbs of walking, flying, swimming
Hypernyms (to "tube" is one way to...):
ride (be carried or travel on or in a vehicle)
Sentence frames:
Somebody ----s
Somebody ----s PP
Sense 3
Meaning:
Convey in a tube
Example:
inside Paris, they used to tube mail
Classified under:
Verbs of walking, flying, swimming
Hypernyms (to "tube" is one way to...):
bring; convey; take (take something or somebody with oneself somewhere)
Sentence frame:
Somebody ----s something
Derivation:
tube ((anatomy) any hollow cylindrical body structure)
tubing (conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases)
Sense 4
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 (give something useful or necessary to)
Sentence frame:
Somebody ----s something
Derivation:
tube ((anatomy) any hollow cylindrical body structure)
Context examples:
The walls of the tubes are composed of three layers: mucosal, muscular, and serosal.
(Murine Fallopian Tube, NLM, Medical Subject Headings)
I should advise you— Professor Hilton paused and glared at him, unsympathetic and unimaginative as one of his own test-tubes.
(Martin Eden, by Jack London)
A lump in tissue near the uterus, usually in the ovary or fallopian tube.
(Adnexal mass, NCI Dictionary)
A procedure in which a tube is inserted into the chest to view the tissues and organs in the area between the lungs and between the breastbone and heart.
(Anterior mediastinotomy, NCI Dictionary)
A type of pregnancy which starts with the embryo in the interstitial section of the fallopian tube, which then grows into the uterine cavity.
(Angular Pregnancy, NCI Thesaurus)
A disease in which malignant (cancer) cells are found in the part of the urethra (the tube through which urine leaves the body) that is closest to the outside of the body.
(Anterior urethral cancer, NCI Dictionary)
A tube which is provided with a device (the applicator) for administering the dosage form.
(Applicator Tube, NCI Thesaurus)
A pre-filled non-injectable pipette, syringe or tube.
(Applicator, NCI Thesaurus)
The tube has a tiny balloon on the end.
(Angioplasty, NIH: National Heart, Lung, and Blood Institute)
A dye may be injected through a catheter (small tube) into an artery or vein to make the blood vessels easier to see.
(Angiogram, NCI Dictionary)
YOU MAY ALSO LIKE
