Definition

Relating to a substance or method that kills algae.

Example

The algicidal treatment effectively reduced the algae growth in the pond.

Conversation

Did you hear about that new product that’s algicidal?

Yeah, I read it can help keep ponds clean.

I think it’s great that they’re making algicidal options for home use.

Definitely! It’s way better than using harsh chemicals.

Synonyms & Antonyms

Root Explanation

Algicidal is formed from "alga" (from Latin "alga", meaning seaweed or algae) and "-cidal" (from Latin "caedere", meaning to kill). The word describes something that kills algae.

Memory Tip

Think of 'alga' as referring to algae, and '-cidal' meaning to kill — so algicidal means something that kills algae.

Visually Confused Words