thylakoid
noun
thy·la·koid
ˈthī-lə-ˌkȯid 
: any of the membranous disks of lamellae within plant chloroplasts that are composed of protein and lipid and are the sites of the photochemical reactions of photosynthesis
Examples of thylakoid in a Sentence
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Indirect evidence from genetics and chemical studies had previously suggested that cyanobacteria had thylakoids by this time.
—
Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
The latter is over a billion years old, which is substantially older than any previous evidence of thylakoids.
—John Timmer, Ars Technica, 3 Jan. 2024
Scientists understood this through other lines of evidence, such as geochemical signatures, but before this week’s study, the earliest fossils of cyanobacteria with thylakoids were only around 500 million years old.
—Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
To search for thylakoids, the researchers obtained small cell-like bodies from sedimentary rocks in several sites.
—John Timmer, Ars Technica, 3 Jan. 2024
Scientists found evidence of thylakoids in the Australian fossils, which date to between 1.73 and 1.78 billion years ago, as well as the Canadian fossils, which are 900 million to 1.01 billion years old.
—Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
Spinach is a source of thylakoids, the chlorophyll-bearing parts of green leaves.
—Lisa Drayer, CNN, 8 Mar. 2018
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Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
The latter is over a billion years old, which is substantially older than any previous evidence of thylakoids.
—John Timmer, Ars Technica, 3 Jan. 2024
Scientists understood this through other lines of evidence, such as geochemical signatures, but before this week’s study, the earliest fossils of cyanobacteria with thylakoids were only around 500 million years old.
—Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
To search for thylakoids, the researchers obtained small cell-like bodies from sedimentary rocks in several sites.
—John Timmer, Ars Technica, 3 Jan. 2024
Scientists found evidence of thylakoids in the Australian fossils, which date to between 1.73 and 1.78 billion years ago, as well as the Canadian fossils, which are 900 million to 1.01 billion years old.
—Will Sullivan, Smithsonian Magazine, 4 Jan. 2024
Spinach is a source of thylakoids, the chlorophyll-bearing parts of green leaves.
—Lisa Drayer, CNN, 8 Mar. 2018
Cite this Entry
“Thylakoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thylakoid. Accessed 5 May. 2025.
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