heme

noun

: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin

Examples of heme in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Each globular protein has an iron-bearing complex called heme at the center. Byandrew Zaleski, science.org, 3 July 2024 Here’s another hint... Jewelry locations There are eight heme words to find today, including the spangram. Kris Holt, Forbes, 15 Sep. 2024 The heme complexes capture oxygen, turning bright red and endowing blood cells with their color. Byandrew Zaleski, science.org, 3 July 2024 Red Meats Some compounds and heme iron in red meat are believed to promote the growth of cancerous tumors. Cathy Nelson, Verywell Health, 16 July 2024 See all Example Sentences for heme 

Word History

Etymology

International Scientific Vocabulary, from hematin

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of heme was in 1925

Dictionary Entries Near heme

Cite this Entry

“Heme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heme. Accessed 26 Nov. 2024.

Kids Definition

heme

noun
: a deep red pigment that contains iron and is obtained from hemoglobin

Medical Definition

heme

noun
variants or chiefly British haem
: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin that is a ferrous derivative of protoporphyrin and readily oxidizes to hematin or hemin

called also protoheme

More from Merriam-Webster on heme

Last Updated: - Updated example sentences
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