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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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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