A pursuit of knowledge purely through experience, especially by means of observation and sometimes by experimentation.
A doctrine which holds that the only or, at least, the most reliable source of human knowledge is experience, especially perception by means of the physical senses. (Often contrasted with rationalism.)
used to describe research based on methodology shaped from empirical philosophy (see above), e.g. surveys, statistics, etc.
Medicine as practised by an empiric, founded on mere experience, without the aid of science or a knowledge of principles; folk medicine, quackery.
A venue or project in which new technologies, methods, or techniques are tested.
A terrain or installation for testing weapons, military equipment, or tactics.