Definition of body mass index in English:

body mass index

Line breaks: 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.
    More 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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