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tonoplast

noun to·no·plast \ ˈtō-nə-ˌplast \

Definition of tonoplast

: a semipermeable membrane surrounding a vacuole in a plant cell

Origin and Etymology of tonoplast

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

NEW! Time Traveler

First Known Use: circa 1888

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