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vacuole

noun

vac·​u·​ole ˈva-kyə-ˌwōl How to pronounce vacuole (audio)
1
: a small cavity or space in the tissues of an organism containing air or fluid
2
: a cavity or vesicle in the cytoplasm of a cell usually containing fluid see cell illustration
vacuolar adjective

Example Sentences

Recent Examples on the Web This vacuole pushes the cell’s essential proteins, sugars and metabolites against its membrane, facilitating easier diffusion. Sumeet Kulkarni, Los Angeles Times, 23 June 2022 Depending on the density of the flock and speed of the predator, the starlings’ reactions can take many escape patterns, including flying outward to create a vacuole—an empty space. Lauryn Hill, Wired, 5 Feb. 2021 The central empty spaces are vacuoles, which get larger and larger as injured cells approach death. Sharon Begley, STAT, 3 May 2018 Unlike Thioploca and a related genus called Beggiatoa, it was not contained in a containment sac called a vacuole. Scientific American Blog Network, 21 Apr. 2017 In this slice of potato 1,000 times thinner than a Pringle, the red circles are vacuoles Tom Conlon, WIRED, 23 Oct. 2007 As the ice evaporated and carbon dioxide built up in the surrounding air, the acidity increased, causing the pigments stored in tiny vacuoles, or bubbles in the petal’s outer cells, to shift from blue to pink. Joanna Klein, New York Times, 2 Mar. 2016 See More

Word History

Etymology

borrowed from French, probably borrowed from New Latin vacuolum "little vacuum," from Medieval Latin vacuum vacuum entry 1 + Latin -olum, variant of -ulum -ule with stems ending in a vowel

First Known Use

1853, in the meaning defined at sense 1

Time Traveler
The first known use of vacuole was in 1853

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