adenochrome

noun
aden·​o·​chrome | \ ə-ˈde-nə-ˌkrōm -ˈdē-\
plural -s

Definition of adenochrome

: an acidic red pigment found in the branchial hearts of the octopus

First Known Use of adenochrome

circa 1943, in the meaning defined above

History and Etymology for adenochrome

aden- + -chrome

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