Heymacyanin or Haemacyanin: How To spell?
The word Heymacyanin is misspelled against Haemacyanin, a noun meaning "A substance found in the blood of the octopus, which gives to it its blue color."
The word Heymacyanin is misspelled against Haemacyanin, a noun meaning "A substance found in the blood of the octopus, which gives to it its blue color."