Source : Webster's Revised Unabridged Dictionary (1913)

Haematoidin \H[ae]m`a*toid"in\, n.
   Same as {Hematoidin}.

Source : WordNet®

haematoidin
     n : an orange-yellow pigment in the bile that forms as a product
         of hemoglobin; excess amounts in the blood produce the
         yellow appearance observed in jaundice [syn: {bilirubin},
          {hematoidin}]