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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
Incorporation of photosynthetically active algal chloroplasts in cultured mammalian cells towards photosynthesis in animals.
—David Faris, Newsweek, 4 Nov. 2024
Zillions of oxygen molecules, released from zillions of chloroplasts around the planet, become the life-sustaining atmosphere that supports Earth’s vast ecological communities.
—Cody Cottier, Discover Magazine, 4 Nov. 2024
Previous studies had found success in transplanting chloroplasts into yeast, granting them the new ability of photosynthesis.
—Michael Irving, New Atlas, 30 Oct. 2024
That branch of the eukaryotic family, freshly equipped with green organelles called chloroplasts, evolved into plants and other photosynthesizers.
—Quanta Magazine, 28 Oct. 2024
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Word History
Etymology
International Scientific Vocabulary
First Known Use
1887, in the meaning defined above
Dictionary Entries Near chloroplast
Cite this Entry
“Chloroplast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chloroplast. Accessed 22 Nov. 2024.
Kids 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
More from Merriam-Webster on chloroplast
Britannica.com: Encyclopedia article about chloroplast
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