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

Elegant skinny strips of tube lights ran down the center of tables in lieu of candles; overhead a dazzling, dangly light fixture subtly shifted colors from red to blue to soft yellow, bathing the cavernous space in a rotating color. Lilah Ramzi, Vogue, "Inside Pioneer Works's 6th Annual Village Fete," 5 May 2019 Cut the tube tip at an angle and squeeze a uniform bead of caulk into the joint. Joseph Truini, Popular Mechanics, "Your Quick and Dirty Guide to Tiling a Kitchen Backsplash," 26 Apr. 2019 Finally, light the grill to make sure that none of the burner holes are clogged and all the gas lines and tubes are well connected and in good condition. Carolyn Forte, Good Housekeeping, "All the BBQ Cleaning Tips You Need to Get Your Grill Ready for Summer," 5 Apr. 2019 These fire and ice dragon tubes are on Amazon for just $20 a piece. Elizabeth Gulino, House Beautiful, "These GoT-Inspired Pool Floats Will Make You Feel Like the Mother of Dragons," 20 Mar. 2019 What's in the tube is impressive on its own, but what it's applied with is just as innovative. Marci Robin, Allure, "Tarte’s New Big Ego Mascara Is the Flake-Free Vegan Formula We've Been Waiting For," 19 Apr. 2019 There’s no sticky gloss in the tube — the lipstick unwinds from inside the cap and applies with sheer and shimmering coverage, thanks to a hint of Colombian kahai nut oil. Carolyne Zinko, SFChronicle.com, "Style Radar: SF museum’s latest fashion donation; 2 Chainz and Silicon Valley," 6 July 2018 Moreover, because of its great mass and density, mercury rarely rose above 31 inches in the tube. Tom Skilling, chicagotribune.com, "Ask Tom: Who invented the barometer?," 29 June 2018 Fear of Flying The prospect of hurtling hundreds of miles an hour in a metal tube at 35,000 feet is a very common stress-inducing idea. Elaine Glusac, New York Times, "18 Ways to Navigate Stress at the Airport," 27 June 2018

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

17 May 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

Comments on tube

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