empiricism empiricism /ɛmˈpɪrəˌsɪzəm/

noun

1. () (philosophy) the doctrine that knowledge derives from experience  ( empiricist philosophy , sensationalism , phenomenalism , empiricism )
   (philosophy) the doctrine that knowledge derives from experience
   
2. Medical practice and advice based on observation and experience in ignorance of scientific findings  ( empiricism , quackery )
   medical practice and advice based on observation and experience in ignorance of scientific findings
     The public was warned against falling victim to medical quackery.
   The public was warned against falling victim to medical quackery.
   
   
3. The application of empirical methods in any art or science  ( empiricism )
   the application of empirical methods in any art or science
    Through empiricism, scientists rely on observed evidence rather than pure theory.
   Through empiricism, scientists rely on observed evidence rather than pure theory.