(historical) A kettle hat, a type of helmet.

Alternative spelling of chemin de fer

A Niger-Congo language spoken in Nigeria.

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, cerium, fluorine, hydrogen, niobium, oxygen, sodium, tantalum, thorium, titanium, and yttrium.

(mineralogy) A monoclinic-prismatic mineral containing calcium, fluorine, niobium, oxygen, silicon, sodium, strontium, and titanium.

(US) Pronunciation spelling of for sure.

(geology) Containing iron oxides and sial

plural of fersommling

An event where Pennsylvania German language and culture is celebrated.

(medicine) ferrous sulfate in the form of an iron tablet