lamivudine: a nucleoside reverse transcriptase inhibitor that is very effective in combination with zidovudine in treating AIDS and HIV
nucleoside reverse transcriptase inhibitor: 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
predicate: (logic) what is predicated of the subject of a proposition; the second term in a proposition is predicated of the first term by means of the copula