phycocyanin
noun
phy·co·cy·a·nin
ˌfī-kō-ˈsī-ə-nən 
: any of various bluish-green protein pigments found in cyanobacteria
Examples of phycocyanin in a Sentence
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In a recent study, EMIT was able to identify phycocyanin—a pigment found in cyanobacteria—within a massive wastewater plume off the mouth of the Tijuana River.
—
Joe Edwards,
MSNBC Newsweek,
19 June 2025
Joint Supplement is an advanced joint health supplement that's uniquely formulated with phycocyanin, antioxidants, and omega-3 fatty acids along with other natural ingredients.
—
Amber Smith,
Discover Magazine,
16 Oct. 2022
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Joe Edwards,
MSNBC Newsweek,
19 June 2025
Joint Supplement is an advanced joint health supplement that's uniquely formulated with phycocyanin, antioxidants, and omega-3 fatty acids along with other natural ingredients.
—
Amber Smith,
Discover Magazine,
16 Oct. 2022
Cite this Entry
“Phycocyanin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phycocyanin. Accessed 6 Jul. 2026.
Copy CitationMedical Definition
phycocyanin
noun
phy·co·cy·a·nin
ˌfī-kō-ˈsī-ə-nən
: any of various bluish green protein pigments in the cells of cyanobacteria
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