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pro·tein
 protein
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- pronunciation:
- pro
tin
- features:
- Word Explorer, Word Parts
part of speech: |
noun |
definition: |
a substance that is made up of nitrogen, carbon, oxygen, hydrogen, and possibly other elements. Proteins are found in all living things and are a necessary part of life processes.
Eggs, meat, and beans are good sources of protein. |
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derivation: |
proteinaceous (adj.) |
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