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.

Phrases and idioms:

empirical formula Chem. a formula showing the constituents of a compound but not their configuration.

Derivatives:

empirically adv.

Oxford English vocab.      Оксфордский английский словарь.