Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A isometric-hextetrahedral form of the mineral, cinnabar, containing mercury and sulfur and ranging from black to grayish white.

Etymologies

meta- +‎ cinnabar (Wiktionary)

Examples

  • Aged fillings, however, typically contain a form of mercury, called beta-mercuric sulfide or metacinnabar, which is unlikely to be toxic in the body.

    THE MEDICAL NEWS

  • While the fresh fillings contained metallic mercury, which can be toxic, aged fillings contained a form of mercury called beta-mercuric sulfide or metacinnabar which is unlikely to be toxic in the body.

    THE MEDICAL NEWS

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

    The Economic Aspect of Geology

  • Or alternatively, it may be mercury lost prior to formation of the metacinnabar through various types of exposures, "said George.

    THE MEDICAL NEWS

  • "Possibly this missing mercury is in the less toxic form of mercury (metacinnabar) abraded from the surface of the filling.

    THE MEDICAL NEWS

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