Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

acyclovir

play
noun acy·clo·vir \(ˌ)ā-ˈsī-klō-ˌvir\

Definition of acyclovir

  1. :  a cyclic synthetic nucleoside C8H11N5O3 used especially to treat the symptoms of chicken pox, shingles, and the genital form of herpes simplex



Origin of acyclovir

2a- + cycl- + virus


First Known Use: 1979


Medical Dictionary

acyclovir

play
noun acy·clo·vir \ˌā-ˈsī-klō-ˌvir\

Medical Definition of acyclovir

  1. :  a cyclic nucleoside C8H11N5O3 used especially to treat shingles, genital herpes, and chicken pox—see zovirax




Learn More about acyclovir


Seen and Heard

What made you want to look up acyclovir? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to manage or play awkwardly

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

disapprove perplex reduce soothe
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ