The form of the German language used for publishing, broadcasting and writing in Switzerland and Liechtenstein, as distinguished from the Swiss German language used in speech.

plural of Sophie Germain prime

Any prime number p where 2p+1 is also prime.

A wood-boring tool with a long elliptical pod and a screw point.

A metal made from bog iron ore in a forge, with charcoal for fuel.

mirror carp

(archaic) A prepared food for caged birds, consisting of eggs, peasemeal, etc.

foxtail millet (Setaria italica)

(dated, geography) Southern Germany, the high-lying land of the German people in Central Europe around the Alps.

(dated) Northern Germany, the low-lying land of the German people in Central Europe around the North and Baltic seas.