BMI(redirected from Air Schools Ltd)
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body mass index
1. (Medicine) body mass index
2. (Broadcasting) Broadcast Music Incorporated
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|Noun||1.||BMI - 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|