D defs.my
Entry 3 senses Webster, 1913

Empiricism

/ĕm-pĭr'-əs-ĭzˌ-əm/ · Em·pir·i·cism · IPA /ɛmpˈɪrəsˌɪzəm/
01 n. The method or practice of an empiric; pursuit of knowledge by observation and experiment.
  1. 1.
    The method or practice of an empiric; pursuit of knowledge by observation and experiment.
  2. 2.
    Specifically, a practice of medicine founded on mere experience, without the aid of science or a knowledge of principles; ignorant and unscientific practice; charlatanry; quackery.
  3. 3.
    The philosophical theory which attributes the origin of all our knowledge to experience.(Metaph.)