'Sylvine' definitions:

Definition of 'sylvine'

(from WordNet)
noun
A mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds [syn: sylvite, sylvine]

Definition of 'Sylvine'

From: GCIDE
  • Sylvine \Syl"vine\, Sylvite \Syl"vite\, n. [So called from NL. sal digestivus sylvii potassium chloride.] (Min.) Native potassium chloride. [1913 Webster]