— empiricist , n. , adj.
/em pir"euh siz'euhm/ , n.
1. empirical method or practice.
2. Philos. the doctrine that all knowledge is derived from sense experience. Cf. rationalism (def. 2).
3. undue reliance upon experience, as in medicine; quackery.
4. an empirical conclusion.
[ 1650-60; EMPIRIC + -ISM ]