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Antibiotic

UK //ˌæntɪbaɪˈɒtɪk//US //ˌæntɪbaɪˈɑːtɪk//

Definition

A type of medicine used to kill or inhibit the growth of bacteria.

In simple words: A medicine that kills bacteria or stops their growth.

Examples

  • The doctor prescribed an antibiotic for my infection.
  • Overusing antibiotics can lead to resistance.
  • This antibiotic is effective against strep throat.
  • He forgot to take his antibiotic on time.
  • Some illnesses are not treated with antibiotics because they are viral.

Usage notes

Used in medical contexts. Appropriate for discussions on health, but avoid casual settings. Refers specifically to bacterial infections, not viral ones.

Grammar pattern

antibiotic + noun (e.g., prescribed antibiotic)

Memory hint

Think 'anti' (against) and 'bio' (life) - it fights life (bacteria).

Collocations

  • prescribed antibiotic
  • take antibiotics
  • antibiotic resistance
  • broad-spectrum antibiotic

Synonyms

  • antibacterial
  • medicine
  • drug
  • medication

Common mistakes

  • Confused with 'antiviral', which treats viruses.
  • Using 'antibiotic' inappropriately for viral infections.
  • Mispronouncing the term, especially in a medical context.