A surname.

(mathematics) An integrable non-linear partial differential equation used in finding the exact solutions of Einstein's equations in the general theory of relativity.

(mineralogy) A monoclinic yellow brown mineral containing aluminum, hydrogen, iron, manganese, oxygen, and phosphorus.

Of or relating to Max Ernst (1891–1976), German artist and pioneer of Dada and surrealism.

(mineralogy) A mineral with chemical formula Mg(CH₃SO₃)₂·12H₂O.

A surname from German.

plural of Ernster