Definition

A type of green algae that grows underwater, often found in freshwater, and has a structure with branches that can be covered in calcium deposits.

Example

The pond was filled with stonewort, creating a lush environment for fish and other aquatic life.

Conversation

Have you ever heard of stonewort?

Yeah, I think it’s that green algae you find in freshwater, right?

Exactly! It often has those unique branches and is sometimes covered in calcium deposits.

That’s so interesting! I didn’t realize it could look like that.

Synonyms & Antonyms

Root Explanation

**Stonewort** → The word is formed from "stone" (from Old English *stan*, meaning a hard substance) and "wort" (from Old English *wyrt*, meaning plant or herb). The term "stonewort" refers to a type of aquatic plant that often grows in stony or rocky environments.

Memory Tip

Think of 'stone' as a hard substance and 'wort' as a plant — together, they describe a plant that grows in stony places.

Visually Confused Words