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

There's more!

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

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).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!