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tube British & World English

A long, hollow cylinder of metal, plastic, glass, etc. for holding or transporting something, chiefly liquids or gases

the Tube in tube British & World English

The underground railway system in London

tubed in tube British & World English

Provide with a tube or tubes

boob tube British & World English

A woman’s tight-fitting strapless top made of stretchy material

test tube British & World English

A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments

tube foot British & World English

(In an echinoderm) each of a large number of small flexible hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food and operated by hydraulic pressure within the water-vascular system

tube pan British & World English

A round cake pan with a hollow, cone-shaped center, used for baking ring-shaped cakes

tube sock British & World English

A sock without a shaped heel

tube top British & World English

North American term for boob tube.

tube well British & World English

A well consisting of an iron pipe with a solid steel point and lateral perforations near the end, which is driven into the earth until a water-bearing stratum is reached, when a suction pump is applied to the upper end

tube worm British & World English

A marine bristle worm, especially a fan worm, which lives in a tube made from sand particles or in a calcareous tube that it secretes

lava tube British & World English

A natural tunnel within a solidified lava flow, formerly occupied by flowing molten lava

worm tube British & World English

The calcareous or sandy tube of some sedentary marine worms, such as fan worms

flash tube British & World English

A gas-discharge tube used, especially in photography, to provide an electronic flash when a current is suddenly passed through it

neural tube British & World English

(In an embryo) a hollow structure from which the brain and spinal cord form. Defects in its development can result in congenital abnormalities such as spina bifida

pitot tube British & World English

An open-ended right-angled tube pointing in opposition to the flow of a fluid and used to measure pressure

pollen tube British & World English

A hollow tube which develops from a pollen grain when deposited on the stigma of a flower. It penetrates the style and conveys the male gametes to the ovule

sieve tube British & World English

A series of sieve tube elements placed end to end to form a continuous tube

tube-shaped British & World English

Long, round, and hollow like a tube

vacuum tube British & World English

A sealed glass tube containing a near-vacuum which allows the free passage of electric current

inner tube British & World English

A separate inflatable tube inside a pneumatic tyre

electron tube British & World English

An evacuated or gas-filled tube in which a current of electrons flows between electrodes

drainage tube British & World English

A tube, usually of clear flexible plastic with lateral perforations, for draining a wound, abscess, etc.

Geissler tube British & World English

A sealed tube of glass or quartz with a central constriction, filled with vapour for the production of a luminous electrical discharge

picture tube British & World English

The cathode ray tube of a television set designed for the reproduction of television pictures

stomach tube British & World English

A tube passed into the stomach via the gullet for cleansing or emptying it or for introducing food

speaking tube British & World English

A pipe for conveying a person’s voice from one room or building to another

torpedo tube British & World English

A tube in a submarine or other ship from which torpedoes are fired by the use of compressed air or an explosive charge

tube-nosed bat British & World English

An Old World bat with tubular nostrils:

X-ray tube British & World English

A device for generating X-rays by accelerating electrons to high energies and causing them to strike a metal target from which the X-rays are emitted

bronchial tube British & World English

A bronchus or a primary branch off of one

discharge tube British & World English

A tube containing charged electrodes and filled with a gas in which ionization is induced by an electric field. The gas molecules emit light as they return to the ground state

extension tube British & World English

A tube fitted to a camera between the body and lens to shorten the distance of closest focus of an object so that close-up pictures can be taken

Eustachian tube British & World English

A narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum

fallopian tube British & World English

(In a female mammal) either of a pair of tubes along which eggs travel from the ovaries to the uterus

television tube British & World English

another term for picture tube.

fluorescent tube British & World English

A glass tube which radiates light when phosphor on its inside surface is made to fluoresce by ultraviolet radiation from mercury vapour

test-tube baby British & World English

A baby conceived by in vitro fertilization

tracheotomy tube British & World English

A breathing tube inserted into a tracheotomy

tube it in tube British & World English

Travel on the Tube

cathode ray tube British & World English

A high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used in televisions and computer terminals

sieve tube element British & World English

A sieve element of a type present in angiosperms, a series of which are joined end to end to form sieve tubes, with sieve plates between the elements

go down the tube in tube British & World English

Be completely lost or wasted; fail utterly

go down the tube British & World English

Be completely lost or wasted; fail utterly

water-tube boiler British & World English

A form of boiler in which steam is generated by circulating water through tubes exposed to the source of heat (as opposed to the more usual arrangement in which tubes carry hot gases through the water)

the boob tube in boob tube British & World English

Television or a television set

nanotube British & World English

A tubular molecule composed of a large number of carbon atoms

buckytube British & World English

another term for nanotube.


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