noun: (medicine) Initialism of nausea and vomiting of pregnancy: morning sickness.
noun: (pharmacology) Abbreviation of nevirapine. [(pharmacology) An antiretroviral drug C₁₅H₁₄N₄O structurally related to the benzodiazepines that inhibits reverse transcriptase and is administered orally in combination with at least one other antiretroviral to treat HIV-1 infection.]
noun: (networking) Initialism of Network Voice Protocol.