| non-nucleoside reverse transcriptase inhibitor | (n) an antiviral drug used against HIV; binds directly to reverse transcriptase and prevents RNA conversion to DNA; often used in combination with other drugs, Syn. NNRTI |
| nucleoside reverse transcriptase inhibitor | (n) an antiviral drug used against HIV; is incorporated into the DNA of the virus and stops the building process; results in incomplete DNA that cannot create a new virus; often used in combination with other drugs, Syn. NRTI |