tetrapyrrole

noun tet·ra·pyr·role \ˌte-trə-ˈpir-ˌōl\

Definition of TETRAPYRROLE

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

circa 1928

Medical Dictionary

noun tet·ra·pyr·role

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

tet·ra·pyr·role also tet·ra·pyr·rol \ˌte-trə-ˈpi(ə)r-ˌōl\

Next Word in the Dictionary: tetraradiatePrevious Word in the Dictionary: tetrapylonAll Words Near: tetrapyrrole

What made you want to look up tetrapyrrole? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears