foscarnet
noun
fos·car·net fä-ˈskär-nət 
: a hydrated sodium salt Na3CO5P·6H2O that is administered intravenously to individuals infected with HIV to treat retinitis caused by a cytomegalovirus
Word History
Etymology
probably from International Scientific Vocabulary fos- (alteration of phosph-) + carb- + -net (of unknown origin)
First Known Use
1981, in the meaning defined above
Medical Definition
foscarnet
noun
fos·car·net fäs-ˈkär-nət
: a hydrated sodium salt Na3CO5P·6H2O that is an antiviral analog of pyrophosphate and is administered intravenously to individuals infected with HIV to treat retinitis caused by a cytomegalovirus
called also foscarnet sodium