Definition

A type of large molecule made up of chains of amino acids, which are essential for the structure and function of living cells. Proteins play important roles in the body, including building tissues, acting as enzymes, and supporting immune function.

Example

Meat, fish, and beans are good sources of protein for a healthy diet.

Conversation

Hey, have you heard about the importance of protein in our diets?

Yeah, I've read that it helps with muscle growth and recovery.

Exactly! I try to include more sources of protein in my meals every day.

That's a great idea! I think I'm going to start adding more beans and chicken.

Synonyms & Antonyms

Root Explanation

Protein → The word 'protein' comes from the Greek 'proteios' (meaning primary or first), which is derived from 'protos' (meaning first). The term was coined in the early 19th century to denote the primary substance necessary for life. Thus, 'protein' refers to a fundamental building block of living organisms.

Memory Tip

Think of 'first' ('protos') to remember that 'protein' is a primary substance essential for life.

Visually Confused Words