(grammar) The form of an adverb or adjective that is used when comparing two things.

(mathematics) Either of a pair of functions that have the same domain and that the values of one are equal to or greater than the other for all points in that domain.

(chiefly US) The principle that there should be no difference in remuneration between jobs held mostly by women and jobs held mostly by men, when the women's work is comparable in skill, effort, working conditions, and responsibility to the men's work.

(linguistics) A branch of historical linguistics that is concerned with comparing languages in order to establish their historical relatedness.

(anthropology, sociology, ethics) A type of descriptive ethics, focused on studying the nature and origins of beliefs about morality held by people in diverse social or cultural groups.

(grammar) A case used to mark a likeness to something, or that two things have the same quantity of something. It corresponds roughly to the English adverb "like". Languages that use the comparative case include Mari, Nivkh, and Chechen.

(grammar) In Spanish: the superlative form of an adjective when it is used in a grammatically comparative situation.

plural of comparative case

the study of similarities and differences in the anatomy of organisms

plural of comparable function