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Definition of tubule

tubule

/ˈtjuː.bjuːl/
tu · bule
Plural:tubules
•
Adjective:tubular
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tubule Lexical Profile

tubule Game Scores & Validity

• noun

1

A very small, slender, or microscopic tube or channel within a biological organism, such as the microscopic ducts in the kidney or testis.

Example

"The renal tubule reabsorbs essential water and electrolytes back into the bloodstream during filtration."

Synonyms
View all synonyms for tubule

• Rhymes for tubule

• Nearby Words

tubing
tubist
tubular
tubule
tuchus
tuck
tuckbox

Word Origin & Etymology

Borrowed in the mid-17th century from French tubule or directly from Latin tubulus, a diminutive of tubus ('tube' or 'pipe').

Cite this Entry

Wordmom. (2026). Definition of Tubule. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/tubule
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