granum

noun
gra·​num | \ ˈgrā-nəm How to pronounce granum (audio) \
plural grana\ ˈgrā-​-​nə How to pronounce grana (audio) \

Definition of granum

: one of the lamellar stacks of chlorophyll-containing thylakoids found in plant chloroplasts

First Known Use of granum

1894, in the meaning defined above

History and Etymology for granum

New Latin, from Latin, grain — more at corn

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Time Traveler for granum

Time Traveler

The first known use of granum was in 1894

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Cite this Entry

“Granum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/granum. Accessed 24 Nov. 2020.

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More Definitions for granum

granum

noun
gra·​num | \ ˈgrā-nəm How to pronounce granum (audio) , ˈgrä-nəm How to pronounce granum (audio) \
plural grana\ -​nə How to pronounce grana (audio) \

Medical Definition of granum

: one of the lamellar stacks of chlorophyll-containing material in plant chloroplasts

More from Merriam-Webster on granum

Britannica.com: Encyclopedia article about granum

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