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
Recent Examples on the Web
Over the past few billion years, most cyanobacteria and plants have evolved new features — more complex photosynthetic proteins as well as entirely new structures, such as thylakoids, to make the process more efficient.
—
Quanta Magazine,
10 June 2026
Leafy greens, in particular, contain compounds called thylakoids, which have been shown to boost satiety.
—
Lauren Panoff,
Verywell Health,
3 Apr. 2026
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
Spinach is a source of thylakoids, the chlorophyll-bearing parts of green leaves.
—
Lisa Drayer,
CNN,
8 Mar. 2018
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Quanta Magazine,
10 June 2026
Leafy greens, in particular, contain compounds called thylakoids, which have been shown to boost satiety.
—
Lauren Panoff,
Verywell Health,
3 Apr. 2026
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
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 7 Jul. 2026.
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