barrel, gun barrel - a tube through which a bullet travels when a gun is fired

blowgun, blowpipe, blowtube, blow tube - 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

conduit - a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits"

drain - tube inserted into a body cavity (as during surgery) to remove unwanted material

hosepipe, hose - 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

pea shooter - a straight narrow tube through which pellets (as dried peas) can be blown at a target

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)

well point, wellpoint - a perforated tube driven into the ground to collect water from the surrounding area

acorn tube - a small vacuum tube; used at high frequencies

anode - a positively charged electrode by which electrons leave an electrical device

cathode - a negatively charged electrode that is the source of electrons in an electrical device

circuit, electric circuit, electrical circuit - an electrical device that provides a path for electrical current to flow

diode, rectifying tube, rectifying valve - a thermionic tube having two electrodes; used as a rectifier

electrode - a conductor used to make electrical contact with some part of a circuit

electronic device - a device that accomplishes its purpose electronically

electron multiplier - a vacuum tube that amplifies a flow of electrons

gas-discharge tube - a tube in which an electric discharge takes place through a gas

control grid, grid - an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube

klystron - an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation

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

pentode - a thermionic tube having five electrodes

plate - the positively charged electrode in a vacuum tube

television pickup tube, television-camera tube - a tube that rapidly scans an optical image and converts it into electronic signals

tetrode - a thermionic tube having four electrodes

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

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

cylinder - a surface generated by rotating a parallel line around a fixed line

anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical structure; "he has good bone structure"

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

anatomy, general anatomy - the branch of morphology that deals with the structure of animals

railroad, railroad line, railway, railway line, railway system - line that is the commercial organization responsible for operating a railway system

furnish, provide, supply, render - provide or furnish with; "We provided the room with an electrical heater"

bring, convey, take - take something or somebody with oneself somewhere; "Bring me the box from the other room"; "Take these letters to the boss"; "This brings me to the main point"

ride - be carried or travel on or in a vehicle; "I ride to work in a bus"; "He rides the subway downtown every day"

enclose, enfold, envelop, enwrap, wrap - enclose or enfold completely with or as if with a covering; "Fog enveloped the house"