Definition

A type of protein that is a key part of silk and spider webs, known for being tough and not dissolving in water.

Example

Fibroin is the main protein found in silk, making it strong and durable.

Conversation

Have you ever heard of fibroin?

Yeah, isn't it the protein in silk?

Exactly! It's what makes silk so strong and smooth.

That's really cool — I never knew that about silk!

Synonyms & Antonyms

Root Explanation

Fibroin is derived from "fibra" (from Latin, meaning fiber) and "-in" (a suffix used in chemistry to denote proteins or substances). The word "fibroin" refers to a type of protein that is a key component of silk and other fibers, emphasizing its fibrous nature.

Memory Tip

Think of 'fiber' ('fibra') to remember that 'fibroin' is a protein that comes from fibers, like silk.

Visually Confused Words