acyclovir
Concise Oxford English Dictionary © 2008 Oxford University Press:
acyclovir /eɪˈsʌɪklə(ʊ)ˌvɪə/
▶noun Medicine an antiviral drug used chiefly in the treatment of herpes.
– origin 1970s: from acycl(ic) + vir(al DNA).
'acyclovir' also found in these Oxford entries:

