Definition

A strong and protective material that is found in the outer shells of insects and some fungi, made of a type of sugar that contains nitrogen.

Example

The exoskeleton of the beetle is made of chitin, which helps protect it from predators.

Conversation

Did you know that the outer shell of crabs is made of chitin?

Really? I had no idea that was the case!

Yeah, it's a tough substance that protects them.

That’s fascinating! I wonder if it has any uses in medicine.

Synonyms & Antonyms

Root Explanation

Chitin comes from the French word 'chitine', which is derived from the Greek 'khitōn' (meaning tunic or covering). The word refers to a tough, protective substance found in the exoskeletons of arthropods and the cell walls of fungi, serving as a protective covering.

Memory Tip

Think of 'khitōn', which means a protective covering, to remember that chitin is a tough substance that serves as a protective layer.

Visually Confused Words