rimantadine
noun
ri·man·ta·dine
| \ rə-ˈman-tə-ˌdēn
, -ˌdīn
\
, -ˌdīn
\
Medical Definition of rimantadine
: a synthetic antiviral drug that is chemically related to amantadine and is administered orally in the form of its hydrochloride C12H21N·HCl in the prevention and treatment of influenza A