pond scum
Algae, especially when growing on the surface of a pondAlgae, especially when growing on the surface of a pond.
Meaning
2 senses(uncountable)Algae, especially when growing on the surface of a pond.
(figuratively, uncountable)Worthless, insignificant person or people.
More definitions
- free-floating freshwater green algae
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable