°Using comparison as a method of study, or founded on something using it.
noun
°A construction showing a relativequality, in English usually formed by adding more or appending -er. For example, the comparative of green is greener; of evil, more evil.
°Extremely overweight, especially: weighing more than 20% (for men) or 25% (for women) over their ideal weight determined by height and build; or, having a body mass index over .
°the kilocalorie, kilogram calorie or large calorie. A unit of energy 1,000 times larger than the normal calorie. It is equivalent to approximately 4.2 kilojoules.
°An improvement (or an intended improvement) in the existing form or condition of institutions or practices etc.; intended to make a strikingchange for the better in social or political or religious affairs.