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protein n. Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of.

Online Medical Dictionary and glossary with medical definitions.

Meat is s high-protein food source. Definition of protein ... medical term protein define protein definition of protein what is the definition of the word ...

Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all ...

Definition of protein noun from Cambridge Dictionary Online: Free English Dictionary and Thesaurus. Meaning of protein. protein synonyms, protein antonyms. ...