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tube - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases |
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tubing |
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conduit a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits"
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gun barrel,
barrel a cylindrical container that holds liquids
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blowgun,
blow tube,
blowpipe,
blowtube a tube through which darts can be shot by blowing
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blow tube,
blowpipe,
blowtube a tube that directs air or gas into a flame to concentrate heat
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cannula a small flexible tube inserted into a body cavity for draining off fluid or introducing medication
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capillary tube,
capillary tubing,
capillary a tube of small internal diameter; holds liquid by capillary action
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catheter a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open
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cigarette holder a tube that holds a cigarette while it is being smoked
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coil a structure consisting of something wound in a continuous series of loops; "a coil of rope"
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chromatography column,
column (architecture) a tall vertical cylindrical structure standing upright and used to support a structure
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drain emptying something accomplished by allowing liquid to run out of it
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hosepipe,
hose a flexible pipe for conveying a liquid or gas
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inner tube an inflatable rubber tube that fits inside the casing of a pneumatic tire
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mouthpiece the aperture of a wind instrument into which the player blows directly
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pea shooter a straight narrow tube through which pellets (as dried peas) can be blown at a target
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pipage,
piping,
pipe a fee charged for the use of pipes
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tobacco pipe,
pipe a long tube made of metal or plastic that is used to carry water or oil or gas etc.
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silencer a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
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siphon,
syphon a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
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speaking tube a tube for conveying the sound of a voice from one room to another
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stem the tube of a tobacco pipe
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stent a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis
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drinking straw,
straw a thin paper or plastic tube used to suck liquids into the mouth
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test tube glass tube closed at one end
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torpedo tube a tube near the waterline of a vessel through which a torpedo is fired
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venturi a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor)
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well point,
wellpoint a perforated tube driven into the ground to collect water from the surrounding area
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2. |
tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope |
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electronic device a device that accomplishes its purpose electronically
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electric circuit,
electrical circuit,
circuit an electrical device that provides a path for electrical current to flow
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acorn tube a small vacuum tube; used at high frequencies
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anode a positively charged electrode by which electrons leave an electrical device
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cathode a negatively charged electrode that is the source of electrons entering an electrical device
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rectifying tube,
rectifying valve,
diode a semiconductor that consists of a p-n junction
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electrode a conductor used to make electrical contact with some part of a circuit
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electron multiplier a vacuum tube that amplifies a flow of electrons
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gas-discharge tube a tube in which an electric discharge takes place through a gas
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control grid,
grid a cooking utensil of parallel metal bars; used to grill fish or meat
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klystron an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation
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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
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pentode a thermionic tube having five electrodes
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plate dish on which food is served or from which food is eaten
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television-camera tube,
television pickup tube a tube that rapidly scans an optical image and converts it into electronic signals
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tetrode a thermionic tube having four electrodes
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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
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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
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3. |
tube - (anatomy) any hollow cylindrical body structure |
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anatomical structure,
bodily structure,
body structure,
complex body part,
structure a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
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general anatomy,
anatomy a detailed analysis; "he studied the anatomy of crimes"
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tubule a small tube
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salpinx a tube in the uterus or the ear
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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
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vas,
vessel a craft designed for water transportation
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verb |
1. |
tube - place or enclose in a tube |
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enfold,
envelop,
enwrap,
enclose,
wrap enclose or enfold completely with or as if with a covering; "Fog enveloped the house"
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2. |
tube - convey in a tube; "inside Paris, they used to tube mail" |
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convey,
bring,
take make known; pass on, of information; "She conveyed the message to me"
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3. |
tube - provide with a tube or insert a tube into |
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furnish,
supply,
provide,
render provide or equip with furniture; "We furnished the house in the Biedermeyer style"
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4. |
tube - ride or float on an inflated tube; "We tubed down the river on a hot summer day" |
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ride copulate with; "The bull was riding the cow"
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