U-tube

noun

A tube in the shape of a capital U, in certain applications having a semipermeable membrane in the middle.

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Meanings

nounU-tube (plural U-tubes)

plural U-tubes

  1. engineeringA tube in the shape of a capital U, in certain applications having a semipermeable membrane in the middle.

Origin

From the shape of the letter U.

Full word history & related roots →

Rhymes & wordplay

Sounds the same

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Cite this entry
APA

U-tube. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/U-tube

MLA

“U-tube.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/U-tube. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “U-tube,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/U-tube.

Source: U-tube on Wiktionary, CC BY-SA 4.0.