One of 254 counties in Texas, United States. County seat: Hereford.

A congenital failure of cholesterol synthesis, with effects ranging from mild intellectual disability to lethal malformations.

(mineralogy) A mineral form of zinc carbonate, ZnCO₃, mined as an ore of zinc or as an ornamental stone.

Of or pertaining to James Smithson (c.1765–1829), British mineralogist and chemist whose bequest was used to set up the Smithsonian Institution in the United States.

The Smithsonian Institution, a group of museums and research centers established in 1846 and administered by the United States government.

A surname originating as an occupation or as a patronymic for a son of a smith.

plural of smithsonite

plural of Smithson

A town in Washington County, Maryland, United States.