D defs.my
Entry 1 sense Webster, 1913

Magnesite

/măg'-nəs-ītˌ/ · Mag·ne·site · IPA /ˈmæɡnəzaɪt/
01 n. Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.
  1. 1.
    Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.(Min.)