Definition, Meaning & Synonyms

pond-scum

Noun
/ˈpɒnd skʌm/
Definition
A layer of greenish or brownish algae and other organic matter that floats on the surface of stagnant water like ponds.
Examples
  • After the heavy rains, the pond was covered in a thick layer of pond-scum.
  • Some species of fish can’t survive in water that has too much pond-scum.
  • The researcher studied how pond-scum impacts the ecosystem of the water body.
Meaning
Pond-scum refers to the algae and microorganisms that accumulate on the surface of stagnant water bodies. It can indicate a high level of nutrients in the water, often a result of pollution or runoff.
Synonyms
  • Algae
  • Green slime
  • Water bloom