n.
Pronunciation: p ə - ' lim- ə -r ā s; ' pä-l ə -m ə - ˌ r ā s, - ˌ r ā z
Function: noun
Date: 1958
: any of several enzymes that catalyze the formation of DNA or RNA from precursor substances in the presence of preexisting DNA or RNA acting as a template ― compare DNA POLYMERASE , RNA POLYMERASE