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empirical empirical formula

Main Entry: em·pir·i·cal
Pronunciation: im-pir-i-kl, em-
Variant(s): also em·pir·ic /-pir-ik/
Function: adjective
1 : relying on experience or observation usually without regard for a system and theory <empirical medicine>
2 : based on observation or experience <empirical data>
3 : capable of being proved or disproved by observation or experiment <empirical laws>
- em·pir·i·cal·ly /-pir-i-k(-)l/ adverb

Pronunciation Symbols