Hæm`a*cy"a*nin, n. Etym: [Hæma- + Gr. (Physiol. Chem.)
Definition: A substance found in the blood of the octopus, which gives to it its blue color.
Note: When deprived of oxygen it is colorless, but becomes quickly blue in contact with oxygen, and is then generally called oxyhæmacyanin. A similar blue coloring matter has been detected in small quantity in the blood of other animals and in the bile.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 March 2025
(noun) the political orientation of those who favor progress toward better conditions in government and society
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