any enzyme that catalyses the synthesis of a polymer, esp the synthesis of DNA or RNA
WordReference Random House Unabridged Dictionary of American English © 2026
pol•y•mer•ase
(pol′ə mə rās′, -rāz′),USA pronunciation n. [Biochem.]
- Biochemistryany of several enzymes that catalyze the formation of a long-chain molecule by linking smaller molecular units, as nucleotides with nucleic acids. Cf. DNA polymerase, RNA polymerase.
- polymer + -ase 1955–60
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'polymerase' also found in these entries (note: many are not synonyms or translations):