1. tetracycline

noun. an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections.


  • minocycline
  • Minocin
  • antibacterial
  • bactericide
  • antibacterial drug
  • Achromycin
  • demeclocycline hydrochloride


  • cycline (English)
  • tetra- (English)

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Sentences with tetracycline

1. Noun, singular or mass
One of the reasons you should drink water when taking tetracycline is that the drug can be irritating to the esophagus.

2. Adjective
If your stomach is severely affected by the medication, your physician may recommend taking tetracycline with small amounts of bland foods.

3. Verb, base form
Milk and liquids that have magnesium or iron can reduce tetracycline’s effectiveness.