Empyrical
Pronunciation : Em*pyr"ic*al
Part of Speech : a.
Etymology : [Gr. Empyreal.]
Definition : Defn: Containing the combustible principle of coal. Kirwan.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder