Metacinnabarite
Pronunciation : Met`a*cin"na*bar*ite
Part of Speech : n.
Etymology : [Pref. meta- + cinnabar.] (Min.)
Definition : Defn: Sulphide of mercury in isometric form and black in color.
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