(mathematics) A type of potential counterexample to the generalized Riemann hypothesis, on the zeros of Dirichlet L-function.

plural of Sierra Leonian

The Sierra Nevada range. / The region of California characterized by the natural history particular to the Sierra Nevada.

A mountain range in Andalusia, Spain / A mountain range in California and Nevada, United States.

A surname from German.

(historical) A siege weapon, consisting of a wheeled wooden tower with ladders inside, which was parked next to walls so assailants could safely scale them.

A city in the Arnsberg region, North Rhine-Westphalia, Germany. / A commune in Bas-Rhin department, Grand Est, France.

One of the long, slender, conducting cells of the phloem that do not form a constituent element of a sieve tube, but which are provided with relatively unspecialized sieve areas, especially in the tapering ends of the cells that overlap those of other sieve cells. Sieve cells are typically associated with gymnosperms.

plural of sieve cell

A particular steroid glycoside.