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hemocyanin

American  
[hee-muh-sahy-uh-nin, hem-uh-] / ˌhi məˈsaɪ ə nɪn, ˌhɛm ə- /

noun

Biochemistry.
  1. a blue, copper-containing respiratory pigment in the plasma of many invertebrates.


Etymology

Origin of hemocyanin

First recorded in 1835–45; hemo- + cyan- 1 + -in 2


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Their blood gets that blue-green tint from hemocyanin, which they use instead of hemoglobin to carry oxygen.

From New York Times ● Jul. 9, 2021

The hemocyanin may be in the hemolymph just to help insects store oxygen for later use.

From Scientific American ● May 6, 2019

Consequently, for creatures like octopuses and crabs that live on or near the cold ocean floor, hemocyanin may be a more practical choice.

From Scientific American ● May 6, 2019

He and his co-workers at the University of Upsala bombarded the hemocyanin particles with quanta of energy in the form of ultraviolet light.

From Time Magazine Archive

Hemoglobin, such as in our blood, and hemocyanin, like that in the blue blood of the Venerians, are practically unique in that respect.

From The Black Star Passes by John Wood Campbell

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