tube

noun
\ ˈtüb How to pronounce tube (audio) , ˈtyüb\

Definition of tube

1 : any of various usually cylindrical structures or devices: such as
a : a hollow elongated cylinder especially : one to convey fluids
b : a soft tubular container whose contents (such as toothpaste) can be removed by squeezing
c(1) : tunnel
(2) British : subway sense b
d : the basically cylindrical section between the mouthpiece and bell that is the fundamental part of a wind instrument
2a : a slender channel (such as a fallopian tube or a pollen tube) within a plant or animal body : duct
b : the narrow basal portion of a corolla with united petals or a calyx with united sepals
4a : electron tube especially : vacuum tube
b : cathode-ray tube especially : a television picture tube
5 : an article of clothing shaped like a tube a tube top tube socks
down the tube or down the tubes
: into a state of collapse or deterioration

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Other Words from tube

tubed \ ˈtübd How to pronounce tubed (audio) , ˈtyübd \ adjective
tubelike \ ˈtüb-​ˌlīk How to pronounce tubelike (audio) , ˈtyüb-​ \ adjective

Examples of tube in a Sentence

She was breathing oxygen through a tube. watched the liquid move through the tube between the flasks and recorded the movement in his chemistry notebook

Recent Examples on the Web

During regeneration, salty water from the brine tank flows up the fill tube and into the softener tank. Joseph Truini, Popular Mechanics, "How a Water Softener Works (And Why You Might Want One)," 4 July 2019 The products include cherries, meat, cheese, olives and pasta, along with some types of whiskey and cast-iron tubes and pipes. Bloomberg, latimes.com, "U.S. proposes more tariffs on EU goods, escalating Airbus-Boeing subsidy dispute," 2 July 2019 The team steadily removed approximately 50-centimeter lengths of core at time, packaging each sample in a white cardboard poster tube and adding extensions to the drill as the hole grew deeper. National Geographic, "Inside the Everest expedition that built the world’s highest weather station," 27 June 2019 Sadly, the toothpaste is out of that tube and the downfall of western civilization will continue unabated. Jamie Samuelsen, Detroit Free Press, "Save your Detroit Red Wings NHL draft reaction/dismay for ... 2024?," 26 June 2019 Redfield wakes Ava up, exercises her arms and legs, prepares her medicines, administers them via a feeding tube and places a mask on her face to help her breathe. Victoria Barber, Anchorage Daily News, "Watch: In 1 minute, an Anchorage father shows what his morning with a special needs child is like," 26 June 2019 There are plenty of places to rent rafts, tubes, and kayaks for a day spent on the water, which is least crowded during the week. Kristi Valentini, Woman's Day, "These Summer Vacation Spots Are the Hidden Gems of the Midwest," 25 June 2019 Something about the interactions between the walls of the tube and the bubble makes the whole system less sensitive to irregularities in the initial conditions. Jennifer Ouellette, Ars Technica, "Two new papers explore the complicated physics behind bubbles and foams," 19 June 2019 The Portage County Water Rescue Team and the Kent Fire Department Saturday afternoon rescued three people stranded from inner-tubes and kayaks in the Cuyahoga River. Benjamin Peters, cleveland.com, "Raging Cuyahoga River prompts rescue effort of stranded inner-tubers, kayaker," 10 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tube.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tube

1651, in the meaning defined at sense 1

History and Etymology for tube

French, from Latin tubus; akin to Latin tuba trumpet

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Statistics for tube

Last Updated

12 Jul 2019

Look-up Popularity

Time Traveler for tube

The first known use of tube was in 1651

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More Definitions for tube

tube

noun

English Language Learners Definition of tube

: a long, hollow object that is used especially to control the flow of a liquid or gas
: an object shaped like a pipe
: a soft, long, narrow container that has a small opening at one end and that contains a soft material which can be pushed out by squeezing

tube

noun
\ ˈtüb How to pronounce tube (audio) , ˈtyüb\

Kids Definition of tube

1 : a long hollow cylinder used especially to carry fluids
2 : a long soft container whose contents (as toothpaste or glue) can be removed by squeezing
3 : a slender channel within a plant or animal body : duct
4 : a hollow cylinder of rubber inside a tire to hold air

Other Words from tube

tubelike \ ˈtüb-​ˌlīk , ˈtyüb-​ \ adjective

tube

noun
\ ˈt(y)üb How to pronounce tube (audio) \

Medical Definition of tube

 (Entry 1 of 2)

1 : a slender channel within a plant or animal body : duct — see bronchial tube, eustachian tube, fallopian tube
2a : an often complex piece of laboratory or technical apparatus usually of glass and commonly serving to isolate or convey a product of reaction a distillation tube
b : test tube
3 : a soft tubular container whose contents (as toothpaste) can be dispensed by squeezing
4 : a hollow cylindrical device (as a cannula) used for insertion into bodily passages or hollow organs for removal or injection of materials
tubed; tubing

Medical Definition of tube (Entry 2 of 2)

: to furnish with, enclose in, or pass through a tube the patient is then anesthetized…and tubedAnesthesia Digest

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More from Merriam-Webster on tube

Rhyming Dictionary: Words that rhyme with tube

Thesaurus: All synonyms and antonyms for tube

Spanish Central: Translation of tube

Nglish: Translation of tube for Spanish Speakers

Britannica English: Translation of tube for Arabic Speakers

Britannica.com: Encyclopedia article about tube

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