hemocyanin
noun
he·mo·cy·a·nin
ˌhē-mō-ˈsī-ə-nən 
: a copper-containing respiratory pigment in the circulatory fluid of various arthropods and mollusks
Examples of hemocyanin in a Sentence
Recent Examples on the Web
The protein, hemocyanin, is a key ingredient in the skin cream that Patrick Breeding, 27, and Amber Boutiette, 29, distribute from a bare-bones, former steel factory on the outskirts of Portland.
—
Brian MacQuarrie, BostonGlobe.com, 30 Sep. 2022
Consider hemocyanin, which is so widely used among invertebrates.
—Quanta Magazine, 22 Apr. 2019
The scientists discovered that gribbles use hemocyanins to attack the strong bonds of lignin.
—David Grossman, Popular Mechanics, 5 Dec. 2018
Crabs with more hemocyanin have better aerobic endurance, which might help them when fighting a rival.
—Elizabeth Preston, Discover Magazine, 3 Mar. 2015
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Brian MacQuarrie, BostonGlobe.com, 30 Sep. 2022
Consider hemocyanin, which is so widely used among invertebrates.
—Quanta Magazine, 22 Apr. 2019
The scientists discovered that gribbles use hemocyanins to attack the strong bonds of lignin.
—David Grossman, Popular Mechanics, 5 Dec. 2018
Crabs with more hemocyanin have better aerobic endurance, which might help them when fighting a rival.
—Elizabeth Preston, Discover Magazine, 3 Mar. 2015
Cite this Entry
“Hemocyanin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemocyanin. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
hemocyanin
noun
he·mo·cy·a·nin
variants
or chiefly British haemocyanin
: a colorless copper-containing respiratory pigment in solution in the blood plasma of various arthropods and mollusks
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