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

Examples of granum in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The root of granum is linked to Proto-Indo-European Be sure to check out my blog for my daily Wordle and Strands guides as well as all my other writing about TV shows, streaming guides, movie reviews, video game coverage and much more. Erik Kain, Forbes, 2 Oct. 2024 Originally, granum referred to individual seeds or kernels of cereal plants, but its meaning expanded to include small particles, measurements (like grains of salt or sand), and even textures in materials (like wood grain). Erik Kain, Forbes, 2 Oct. 2024

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 5 Nov. 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

More from Merriam-Webster on granum

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