hem·​er·​y·​thrin | \ hē-ˈmer-ə-thrən How to pronounce hemerythrin (audio) \

Definition of hemerythrin

: an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates (such as some brachiopods)

Examples of hemerythrin in a Sentence

Recent Examples on the Web Some worms use purplish hemerythrin; others use greenish chlorocruorin; some use a combination of pigments. Quanta Magazine, "Icefish Study Adds Another Color to the Story of Blood," 22 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hemerythrin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hemerythrin

1903, in the meaning defined above

History and Etymology for hemerythrin

hem- + erythr- + -in entry 1

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Time Traveler for hemerythrin

Time Traveler

The first known use of hemerythrin was in 1903

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Cite this Entry

“Hemerythrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemerythrin. Accessed 12 Jul. 2020.

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More Definitions for hemerythrin


variants: or chiefly British haemerythrin \ ˌhē-​mə-​ˈrith-​rən How to pronounce haemerythrin (audio) \

Medical Definition of hemerythrin

: an iron-containing respiratory pigment in the blood of various invertebrates

More from Merriam-Webster on hemerythrin

Britannica.com: Encyclopedia article about hemerythrin

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