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thylakoid
[ thahy-luh-koid ]
/ ˈθaɪ ləˌkɔɪd /
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noun Cell Biology.
a flattened sac or vesicle lined with a pigmented membrane that is the site of photosynthesis, in plants and algae occurring in interconnected stacks constituting a granum of the chloroplast, and in other photosynthesizing organisms occurring either singly or as part of the cell membrane or other structure.
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Origin of thylakoid
1965–70; <German Thylakoid<Greek thȳlakoeidḗs resembling a bag, equivalent to thȳ́lak(os) sack + -oēidēs-oid
Words nearby thylakoid
Thwing, thx, thy, Thyestes, thylacine, thylakoid, thym-, thyme, thymectomy, thymelaeaceous, thymelcosis
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use thylakoid in a sentence
When light hits a plant’s leaves, it shines on chloroplasts and into their thylakoid membranes.
Scientific definitions for thylakoid
thylakoid
[ thī′lə-koid′ ]
A saclike membrane that contains the chlorophyll in cyanobacteria and in the chloroplasts of plant cells and green algae. In chloroplasts, thylakoids are arranged in stacks called grana.
The American Heritage® Science Dictionary
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