Obesity is determined by measuring both the height and weight of the adolescent. An adolescent is considered overweight if he or she has a BMI more than the 85th percentile but less than the 95th percentile for his or her weight.
Terminology is the language used to describe a specific thing, or the language used within a specific field. Special language used by scientists is an example of science terminology. YourDictionary definition and usage example.
A definition is an exact word or phrase of the meaning, nature, or limits of something. A definition usually answers the question what. Defining means giving a definition. Other words with this meaning are description and explanation. It describes what a word means and explains to the person when and where it can be used.