Definition of macrolide in English:

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Pronunciation: /ˈmakrəˌlīd/


Any of a class of antibiotics containing a lactone ring, of which the first and best known is erythromycin.
Example sentences
  • As with other currently available fluoroquinolone and macrolide antibiotics, QTc interval prolongation has been linked to the use of telithromycin.
  • Trials investigating the role of macrolide antibiotic therapy in patients with acute coronary syndromes are inconclusive.
  • If antibiotics are required, one that is active against gram-positive organisms such as penicillinase-resistant penicillins, cephalosporins, macrolides, or fluoroquinolones should be chosen.


Mid 20th century: from macro- + l(actone) + -ide.

For editors and proofreaders

Syllabification: mac·ro·lide

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