riel
— Navneord
– Engelsk
~ the basic unit of money in Cambodia; equal to 100 sen
Riemann
— Navneord
– Engelsk
~ pioneer of non-Euclidean geometry (1826-1866)
Riemannian geometry
— Navneord
– Engelsk
~ (mathematics) a non-Euclidean geometry that regards space as like a sphere and a line as like a great circle; "Bernhard Riemann pioneered elliptic geometry"
Riesling
— Navneord
– Engelsk
~ fragrant dry or sweet white wine from the Rhine valley or a similar wine from California