D defs.my
Entry 1 sense Webster, 1913

Witherite

· With·er·ite · IPA
01 n. Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
  1. 1.
    Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.(Min.)