comparative meaning
EN
[kəmˈpɛɹ.ə.tɪv] [kəmˈpæɹ.ə.tɪv] [kəmˈpæ.ɹə.tɪv] 
US WComparative
- In linguistics, the comparative is a syntactic construction that serves to express a comparison between two (or more) entities or groups of entities in quality, quantity, or degree; it is one of the degrees of comparison,
FR comparative 
- NounPLcomparativesPREcom-SUF-ative
- (grammar) A construction showing a relative quality, in English usually formed by adding more or appending -er. For example, the comparative of green is greener; of evil, more evil.
- (grammar) A word in the comparative form.
- OBS An equal; a rival; a compeer.
- OBS One who makes comparisons; one who affects wit.
- (grammar) A construction showing a relative quality, in English usually formed by adding more or appending -er. For example, the comparative of green is greener; of evil, more evil.
- AdjectiveCOMmore comparativeSUPmost comparative
- Of or relating to comparison.
- Using comparison as a method of study, or founded on something using it.
- comparative anatomy
- Approximated by comparison; relative.
- OBS Comparable; bearing comparison.
- Of or relating to comparison.
- More Examples
- Used in the Middle of Sentence
- The comparative trophic ecology of GOM and MED BFT larvae was assessed using SIA of larvae in relation to baseline feeding levels defined by the micro and the mesozooplankton size fractions.
- This article deals with the comparative psychology of the cinegoer and the televiewer.
- Used in the Middle of Sentence
Definition of comparative in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Countable nouns
- Adjectives
Source: Wiktionary
Grammatically, this word "comparative" is an adjective. It's also a noun, more specifically, a countable noun.