Haemacyanin

n. [ Haema- + Gr. ky`anos a dark blue substance. ] (Physiol. Chem.) A substance found in the blood of the octopus, which gives to it its blue color. [ 1913 Webster ]

☞ When deprived of oxygen it is colorless, but becomes quickly blue in contact with oxygen, and is then generally called oxyhaemacyanin. A similar blue coloring matter has been detected in small quantity in the blood of other animals and in the bile. [ 1913 Webster ]

n. [ Haema- + Gr. ky`anos a dark blue substance. ] (Physiol. Chem.) A substance found in the blood of the octopus, which gives to it its blue color. [ 1913 Webster ]

☞ When deprived of oxygen it is colorless, but becomes quickly blue in contact with oxygen, and is then generally called oxyhaemacyanin. A similar blue coloring matter has been detected in small quantity in the blood of other animals and in the bile. [ 1913 Webster ]