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Biofilm - Meaning, Definition & English Examples

A biofilm is a thin layer of microorganisms, such as bacteria, that stick to surfaces and form a slimy coating. It often develops in moist environments like pipes or medical devices.

biofilm

/ˈbaɪoʊˌfɪlm/ /ˈbaɪəʊˌfɪlm/

Definition:

A thin layer of microorganisms adhering to a surface, often surrounded by secreted slime.

Synonyms:

microbial film, slime layer, bacterial film

Part of Speech:

noun

Antonyms:

sterile surface, clean surface

Common Collocations:

dental biofilm, bacterial biofilm, biofilm formation, biofilm removal

Derivatives:

biofilms, biofilm-forming

Usage Tips:

Use "biofilm" to describe microbial communities on surfaces like teeth or pipes; avoid confusing it with general dirt or plaque.

Common Phrases:

biofilm formation, biofilm disruption, biofilm-associated infections

Etymology:

From Greek "bios" (life) + "film," coined in the 20th century for microbial layers.

Examples:

  • 1. The dentist explained how biofilm forms on teeth overnight.
  • 2. Biofilm in water pipes can cause contamination if not cleaned regularly.
  • 3. Scientists study biofilm to develop better antibiotics for infections.
  • 4. Brushing your teeth helps remove harmful biofilm and prevent cavities.

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