porphyrin

noun
por·​phy·​rin | \ ˈpȯr-fə-rən How to pronounce porphyrin (audio) \

Definition of porphyrin

: any of various compounds with a macrocyclic structure that consists essentially of four pyrrole rings joined by four =CH− groups especially : one (such as chlorophyll or hemoglobin) containing a central metal atom and usually exhibiting biological activity

Examples of porphyrin in a Sentence

Recent Examples on the Web

The compounds, called porphyrins, had previously been shown to be adept at absorbing light and using that energy to convert oxygen molecules in the air to a reactive form known as singlet oxygen. Robert F. Service, Science | AAAS, "Crystalline nets harvest water from desert air, turn carbon dioxide into liquid fuel," 3 Sep. 2019

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

First Known Use of porphyrin

1910, in the meaning defined above

History and Etymology for porphyrin

International Scientific Vocabulary, from Greek porphyra purple

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Statistics for porphyrin

Last Updated

9 Sep 2019

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Time Traveler for porphyrin

The first known use of porphyrin was in 1910

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More Definitions for porphyrin

porphyrin

noun
por·​phy·​rin | \ ˈpȯr-fə-rən How to pronounce porphyrin (audio) \

Medical Definition of porphyrin

: any of various compounds with a structure that consists essentially of four pyrrole rings joined by four =CH− groups especially : one (as chlorophyll or hemoglobin) containing a central metal atom and usually having biological activity

More from Merriam-Webster on porphyrin

Britannica.com: Encyclopedia article about porphyrin

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