Meaning of “comparative” - Learner’s Dictionary

comparative

noun [ C ] uk us /kəmˈpærətɪv/

A2 the form of an adjective or adverb that is used to show that someone or something has more of a particular quality than someone or something else. For example 'better' is the comparative of 'good' and 'smaller' is the comparative of 'small'.

→ Compare superlative

(Definition of “comparative noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)