piscicide
nounEtymology From pisci- + -cide.
1
Any substance that is poisonous to fish.
2
The killing of fish.
- The explosion of an aquarium in Berlin in 2022 caused a major piscicide.
3
A fish that kills.
4
A fish that kills another fish, especially out of malice.
- Synonyms
- ichthyocide
- Derived terms
- piscicidal