a substance used to prevent or get rid of algae, esp. green scum in a swimming pool: usually copper sulfate
Origin of algicidefrom alg(ae) + -i- + -cide
A substance used to kill or inhibit the growth of algae.
Origin of algicidealg(a) -cide
- A substance that kills, or inhibits the growth of, algae.
- I add algicide to my aquarium to eliminate the green scum of algae that forms on the glass.
algae + -cide