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English definition of “portion”

portion

noun [C]     /ˈpɔːʃən/
a part or share of something larger: A large portion of the company's profits is ploughed back into new projects. These products account for a relatively small portion of sales.
COMMERCE the amount of a particular food that is enough for one person, especially in a restaurant, etc.: Bar food, lunchtime and evening, comes in generous portions. They kept their costs down by minimizing waste and having strict portion control.
(Definition of portion noun from the Cambridge Business English Dictionary © Cambridge University Press)
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