Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

Date: 1800-1900
Language: French
Origin: protéine, from Greek protos 'first'

protein

 noun
     
pro‧tein W2 [uncountable and countable]
DFN one of several natural substances that exist in food such as meat, eggs, and beans, and which your body needs in order to grow and remain strong and healthy
Definition of protein from the Longman Dictionary of Contemporary English within
the topic BIOLOGY
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The BIOLOGY
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gamete

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