metacinnabar

[ met-uh-sin-uh-bahr ]

noun

, Mineralogy.

1. a polymorph of cinnabar, black mercuric sulfide, HgS.

Word History and Origins

Origin of metacinnabar¹

meta- + cinnabar

Example Sentences

Minor sources include the black or gray sulphide, metacinnabar, the native metal, and the white mercurous chloride, calomel.

From Project Gutenberg