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Word of the Day Tuesday, June 9, 2026

vacuole

/ˈvækjuːoʊl/ noun · British & US
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What does vacuole mean?

noun

A membrane-bound organelle found in cells, containing waste or excess substances. In botany, a vacuole is a large storage compartment in plant cells.

Example

"The cell's vacuole was filled with excess water, causing it to swell."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for vacuole

Rhymes with vacuole