tetrapyrrole

noun
tet·​ra·​pyr·​role | \ ˌte-trə-ˈpir-ˌōl How to pronounce tetrapyrrole (audio) \

Definition of tetrapyrrole

: a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring (as in chlorophyll)

First Known Use of tetrapyrrole

circa 1928, in the meaning defined above

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More Definitions for tetrapyrrole

tetrapyrrole

noun
tet·​ra·​pyr·​role
variants: also tetrapyrrol \ ˌte-​trə-​ˈpi(ə)r-​ˌōl How to pronounce tetrapyrrol (audio) \

Medical Definition of tetrapyrrole

: a chemical group consisting of four pyrrole rings joined either in a straight chain (as in phycobilins) or in a ring (as in chlorophyll)