to·​no·​plast ˈtō-nə-ˌplast How to pronounce tonoplast (audio)
: a semipermeable membrane surrounding a vacuole in a plant cell

Word History


International Scientific Vocabulary tono- (from Greek tonos tension) + -plast — more at tone entry 1

First Known Use

circa 1888, in the meaning defined above

Time Traveler
The first known use of tonoplast was circa 1888

Dictionary Entries Near tonoplast

Cite this Entry

“Tonoplast.” Dictionary, Merriam-Webster, Accessed 3 Feb. 2023.

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