tonoplast

noun

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

Word History

Etymology

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tonoplast. Accessed 29 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!