bmi

from WordNet (r) 3.0 (2006)
BMI
    n 1: a measure of someone's weight in relation to height; to
         calculate one's BMI, multiply one's weight in pounds and
         divide that by the square of one's height in inches;
         overweight is a BMI greater than 25; obese is a BMI greater
         than 30 [syn: {body mass index}, {BMI}]
    

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