Definition of body mass index in English:

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body mass index

Pronunciation: /ˈbɒdimasˌɪndɛks/
(abbreviation BMI)

noun (plural body mass indices)

An approximate measure of whether someone is over- or underweight, calculated by dividing their weight in kilograms by the square of their height in metres.
Example sentences
  • Height, weight, calculated body mass index, and blood pressures were recorded.
  • We calculated body mass index from measured height and weight.
  • Patients' weight and height were measured and their body mass index calculated.

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