Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Origin: empiric 'person who puts trust only in practical experience' (16-21 centuries), from Latin empiricus, from Greek empeiria 'experience'

empirical

adjective
     
em‧pir‧i‧cal [only before noun]
based on scientific testing or practical experience, not on ideas [≠ theoretical, hypothetical]:
empirically adverb

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