BMI
n. uncountable B2 Upper Intermediate bmi
n. Stands for Body Mass Index. A number that shows if your weight is healthy for your height. Doctors use it to check if you are underweight, normal, or overweight.
n. Abbreviation for Body Mass Index. A statistical index derived from a person's mass and height, used to categorize body weight status in clinical and public health contexts.
Your doctor checks your BMI every year.
The nurse calculated his BMI to see if he needed to change his diet.
While BMI is a useful screening tool for population health trends, it fails to distinguish between muscle mass and fat in individual athletes.