RNA synthetase

noun Biochemistry.
  1. an enzyme that catalyzes the synthesis of RNA in cells infected with RNA viruses, allowing production of copies of the viral RNA.

Origin of RNA synthetase

First recorded in 1960–65; synthet(ic) + -ase
Also called replicase, RNA replicase.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018