Question

What does protein mean

Answer 1

Nitrogenous organic compounds that consist of large molecules

Answer 2

Protein: Any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living, organisms especially as structural components of body tissue such as muscle, hair, collagen, etc., and as enzymes and antibodies.  Hope this helped!
-Twix