chloroplast
noun
chlo·ro·plast
ˈklȯr-ə-ˌplast 
: a plastid that contains chlorophyll and is the site of photosynthesis see cell illustration
Examples of chloroplast in a Sentence
Recent Examples on the Web
Whatever benefit Elysia chlorotica derives from the chloroplasts, there couldn’t be a leakier creature.
—
Zoë Schlanger, The Atlantic, 23 July 2025
Previous attempts at transplanting a chloroplast into a foreign cell had worked for just a few hours.
—Saugat Bolakhe, Scientific American, 7 Jan. 2025
However, inserting these chloroplasts into animal cells is a lot easier said that done.
—David Faris, Newsweek, 4 Nov. 2024
Genetic testing shows that chloroplasts aren’t your typical organelles.
—Cody Cottier, Discover Magazine, 4 Nov. 2024
See All Example Sentences for chloroplast
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Zoë Schlanger, The Atlantic, 23 July 2025
Previous attempts at transplanting a chloroplast into a foreign cell had worked for just a few hours.
—Saugat Bolakhe, Scientific American, 7 Jan. 2025
However, inserting these chloroplasts into animal cells is a lot easier said that done.
—David Faris, Newsweek, 4 Nov. 2024
Genetic testing shows that chloroplasts aren’t your typical organelles.
—Cody Cottier, Discover Magazine, 4 Nov. 2024
See All Example Sentences for chloroplast
Cite this Entry
“Chloroplast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chloroplast. Accessed 4 Nov. 2025.
Copy CitationKids Definition
chloroplast
noun
chlo·ro·plast
ˈklōr-ə-ˌplast
ˈklȯr-
: a cellular part that contains chlorophyll and is the location of photosynthesis
Medical Definition
chloroplast
noun
chlo·ro·plast
ˈklōr-ə-ˌplast, ˈklȯr-
: a plastid that contains chlorophyll and is the site of photosynthesis and starch formation
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