a white or colorless mineral, KCl, that is the chief ore of the potassium used to make fertilizers
Origin of sylviteearlier sylvine from French from Modern Latin sal digestivus sylvii, literally , digestive salt of Sylvius (after Franz de la Boë Sylvius, 1614-72, physician at Leyden)
also syl·vine or syl·vin·ite
A colorless vitreous potassium chloride mineral, the major ore of potassium.
Origin of sylviteAlteration of sylvine from French from New Latin (sāl dīgestīvus) Sylviī (digestive salt) of Sylvius probably after Franz de la Boë, or Franciscus Sylvius (1614-1672), German-born Dutch physician
(countable and uncountable, plural sylvites)
From Late Latin sal digestivus sylvii, potassium chloride, and -ite.