plastoquinone

noun

plas·​to·​qui·​none ˌpla-(ˌ)stō-kwi-ˈnōn How to pronounce plastoquinone (audio) -ˈkwi-ˌnōn How to pronounce plastoquinone (audio)
: a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation

Word History

Etymology

Greek plastos + English quinone

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of plastoquinone was in 1958

Dictionary Entries Near plastoquinone

Cite this Entry

“Plastoquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plastoquinone. Accessed 21 Nov. 2024.

Medical Definition

plastoquinone

noun
plas·​to·​qui·​none ˌplas-(ˌ)tō-kwin-ˈōn How to pronounce plastoquinone (audio) -ˈkwin-ˌōn How to pronounce plastoquinone (audio)
: any of a group of substances that occur mostly in plant chloroplasts, are related to vitamin K, and play a role in photosynthetic phosphorylation

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