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English definition of “supersize”

supersize

verb     /ˈsuːpəsaɪz/ US   /-pɚ-/ US
[T] to make something become much larger in size : Researchers have succeeded in supersizing some fruits .
[I or T] COMMERCE to serve the largest size or quantity of food or drink that is available in a fast food restaurant : Fast-food outlets are being discouraged from supersizing their portions .
(Definition of supersize verb from the Cambridge Business English Dictionary © Cambridge University Press)
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