(ˈ)felz|pathik, -l(d)|sp- adjective
also feld·spath·ose ˈ ̷ ̷ˌ ̷ ̷ˌthōs
Etymology: feldspathic from International Scientific Vocabulary feldspath + -ic; feldspathose from feldspath + -ose
: being, belonging to, or containing feldspar — used especially of a porcelain glaze containing feldspar