a substance, found within all living things, that forms the structure of muscles, organs, etc. There are many different proteins and they are an essential part of what humans and animals eat to help them grow and stay healthy.essential proteins and vitaminsprotein deficiencyPeas, beans and lentils are a good source of vegetable protein.Gluten is a protein found in wheat and other grains.see alsoenzymeWordfinderbiologybiology,biotechnology,breed,cell,chromosome,DNA,gene,mutation,organism,proteinOxford Collocations Dictionaryadjectiveessential,natural,animal,…verb + proteincontain,supply,be high in,…protein + verbbe found in somethingprotein + nouncontent,level,intake,…phrasesa source of proteinSeefull entrySee related entries:Diet,Cell biologyWord Originmid 19th cent.: from French protéine, German Protein, from Greek prōteios ‘primary’, from prōtos ‘first’.
See protein in the Oxford Learner's Dictionary of Academic EnglishSee protein in the Oxford Advanced American Dictionary
