contractile vacuole

noun

Definition of contractile vacuole

: a vacuole in a unicellular organism that contracts regularly to discharge fluid and especially water from the cell

First Known Use of contractile vacuole

1876, in the meaning defined above

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The first known use of contractile vacuole was in 1876

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Cite this Entry

“Contractile vacuole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contractile%20vacuole. Accessed 18 Jun. 2021.

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More Definitions for contractile vacuole

contractile vacuole

noun

Medical Definition of contractile vacuole

: a vacuole in a unicellular organism that contracts regularly to discharge fluid from the body

More from Merriam-Webster on contractile vacuole

Britannica.com: Encyclopedia article about contractile vacuole

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