plastoquinone

noun
plas·​to·​qui·​none | \ ˌpla-(ˌ)stō-kwi-ˈnōn How to pronounce plastoquinone (audio) , -ˈkwi-ˌnōn How to pronounce plastoquinone (audio) \

Definition of plastoquinone

: a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation

First Known Use of plastoquinone

1958, in the meaning defined above

History and Etymology for plastoquinone

Greek plastos + English quinone

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The first known use of plastoquinone was in 1958

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plastoquinone

noun
plas·​to·​qui·​none | \ ˌplas-(ˌ)tō-kwin-ˈōn How to pronounce plastoquinone (audio) , -ˈkwin-ˌōn How to pronounce plastoquinone (audio) \

Medical Definition of plastoquinone

: 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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Britannica.com: Encyclopedia article about plastoquinone

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