Definition

A tiny aquatic animal that belongs to a group of crustaceans, usually found in freshwater, and has a shell made of two parts.

Example

Scientists study ostracods to understand ancient aquatic environments.

Conversation

Have you ever heard of an ostracod?

No, I haven't! What is it?

It's a tiny crustacean that lives in freshwater, kind of like a mini shrimp.

That sounds interesting! I love learning about little creatures like that.

Synonyms & Antonyms

Root Explanation

Ostracod → It is formed from "ostrakon" (Greek, meaning shell) and "-od" (from the Greek suffix "-odes", meaning like or resembling). The word "ostracod" refers to a group of small crustaceans that have a shell-like appearance.

Memory Tip

Think of the Greek word for shell ('ostrakon') to remember that 'ostracod' refers to creatures that resemble shells.

Visually Confused Words