granum

noun

gra·​num ˈgrā-nəm How to pronounce granum (audio)
plural grana ˈgrā-nə How to pronounce granum (audio)
: one of the lamellar stacks of chlorophyll-containing thylakoids found in plant chloroplasts

Word History

Etymology

New Latin, from Latin, grain — more at corn

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of granum was in 1894

Dictionary Entries Near granum

Cite this Entry

“Granum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/granum. Accessed 23 Jul. 2024.

Kids Definition

granum

noun
gra·​num ˈgrā-nəm How to pronounce granum (audio)
plural grana -nə How to pronounce granum (audio)
: one of the stacks of chlorophyll-containing material in plant chloroplasts

Medical Definition

granum

noun
plural grana -nə How to pronounce granum (audio)
: one of the lamellar stacks of chlorophyll-containing material in plant chloroplasts

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