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contractile vacuole
noun
: a vacuole in a unicellular organism that contracts regularly to discharge fluid and especially water from the cell
Word History
First Known Use
1876, in the meaning defined above
Time Traveler
The first known use of contractile vacuole was
in 1876
Dictionary Entries Near contractile vacuole
Cite this Entry
“Contractile vacuole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contractile%20vacuole. Accessed 23 Dec. 2024.
Kids Definition
contractile vacuole
noun
: a vacuole in a single-celled organism that contracts regularly to discharge water from the cell
Medical Definition
contractile vacuole
noun
: 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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Merriam-Webster unabridged
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