: any of various red respiratory pigments that occur in blood, cells, or body fluids of several invertebrate animals and that are or are related to hemoglobins

Word History


erythr- + cruorin (old name for hemoglobin)

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Dictionary Entries Near erythrocruorin

Cite this Entry

“Erythrocruorin.” Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

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