cefaclor

play
noun cef·a·clor \ˈse-fə-ˌklȯr\

Definition of cefaclor

  1. :  a semisynthetic cephalosporin antibiotic C15H14ClN3O4S·H2O that is administered orally to treat a wide range of bacterial infections Sales of cefaclor, a potent antibiotic used to treat sinusitis and ear infections, plunged after its patent expired in 1992. — Thomas M. Burton, Wall Street Journal, 19 Nov. 1998

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

1976

First Known Use of cefaclor

1976


Medical Dictionary

cefaclor

play
noun cef·a·clor \ˈsef-ə-klȯr, -klōr\

Medical Definition of cefaclor

  1. :  a semisynthetic cephalosporin antibiotic C15H14ClN3O4S·H2O that is administered orally to treat a wide range of bacterial infections—see ceclor


Seen and Heard

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

WORD OF THE DAY

a brief usually trivial fact

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

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