an enzyme present in retroviruses that copies RNA into DNA, thus reversing the usual flow of genetic information in which DNA is copied into RNA
WordReference Random House Unabridged Dictionary of American English © 2026
reverse′ tran•scrip′tase
(tran skrip′tās, -tāz),USA pronunciation [Biochem.]
- Biochemistrya retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
- transcript + -ase 1970–75
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'reverse transcriptase' also found in these entries (note: many are not synonyms or translations):