tonoplast

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noun to·no·plast \ˈtō-nə-ˌplast\

Definition of tonoplast

  1. :  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


First Known Use: circa 1888


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