D defs.my
Entry 1 sense Webster, 1913

Haemacyanin

/(-sī"ȧ*nĭn)/ · Haem·a·cy·a·nin · IPA
01 n. A substance found in the blood of the octopus, which gives to it its blue color.
  1. 1.
    A substance found in the blood of the octopus, which gives to it its blue color.(Physiol. Chem.)