n.
Pronunciation: ˌ te-tr ə - ' pir- ˌ ō l
Function: noun
Date: circa 1928
: a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring (as in chlorophyll)
n.
Pronunciation: ˌ te-tr ə - ' pir- ˌ ō l
Function: noun
Date: circa 1928
: a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring (as in chlorophyll)
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012