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empirical

em·pir·i·cal [ em pírrik'l ]


adjective 
Definition:
 
1. based on observation and experiment: based on or characterized by observation and experiment instead of theory

2. philosophy derived solely from experience: derived as knowledge from experience, particularly from sensory observation, and not derived from the application of logic

3. medicine based on practical medical experience: based on practical experience in the medical treatment of real cases, and not on applied theory or scientific proof


em·pir·i·cal·ly adverb
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