from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A saline evaporite, consisting of a mixed sodium and calcium sulphate, with the chemical formula Na2Ca(SO4)2.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mineral, consisting of the sulphates of soda and lime.

from The Century Dictionary and Cyclopedia

  • n. A mineral of a grayish-white or yellowish color, a compound of the sulphates of sodium and calcium, occurring in very flat oblique rhombic prisms. It is found chiefly in rock-salt.


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.