beneficial microorganism

noun phrase

Meaning

A microscopic living organism, such as a bacterium or fungus, that provides a positive health or environmental impact to its host.

Examples

  • The yogurt contains a beneficial microorganism that aids in human digestion.
  • Farmers use specific beneficial microorganisms to suppress soil-borne diseases in their crops.

Synonyms: probiotic, good bacteria, microbial symbiont