tube
noun
a hollow, usually cylindrical body of metal, glass, rubber, or other material, used especially for conveying or containing liquids or gases.
tubes
-
pluralof tube.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This shuttle stack sits in flight configuration, almost exactly as it would look on the cusp of liftoff, besides the yellow torque tubes lining the orbiter’s white shell like external ribs.
From Los Angeles Times ● Oct. 28, 2026
Six Flags has operated the Goliath roller coaster near Atlanta for two decades, propelling thrill-seekers along tubes of American-made steel at 70 miles an hour.
From The Wall Street Journal ● Oct. 14, 2026
Underground lava tubes could provide more stable temperatures and natural shielding from these dangers.
From Science Daily ● Oct. 8, 2026
Inside the machine, which looked like a large blender with a metal doughnut inside, blue and orange lights vibrated within glass tubes, while feathery electricity danced out the top.
From Slate ● Sep. 22, 2026
Over and over, in the years after 1647, scientists filled long glass tubes, sealed at one end, with mercury and inverted them in baths of mercury.
From "The Invention of Science" by David Wootton
