Meaning of “BMI” in the English Dictionary

british dictionary

"BMI" in British English

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BMInoun [ S ]

uk /ˌbiː.emˈaɪ/ us /ˌbiː.emˈaɪ/

abbreviation for body mass index: a measurement of someone's weight in relation to their height:

Adults who have a BMI of 30 or higher are defined as obese.

(Definition of “BMI” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)