Meaning of EMPIRICAL in English

EMPIRICAL

adj. 1 based or acting on observation or experiment, not on theory. 2 Philos. regarding sense-data as valid information. 3 deriving knowledge from experience alone. empirical formula Chem. a formula showing the constituents of a compound but not their configuration. empirically adv.

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.