(geology) A long chain of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries.

(mathematics) An inverse hyperbolic function

A war monument in Paris, France, designed by Jean Chalgrin in 1806, started in 1808 and inaugurated in 1836.

plural of arc-hyperbolic function

siderosis

plural of mercury arc rectifier

(electrical engineering) A rectifier which converts alternating current to direct current, using a cathode tube with a pool of liquid mercury. Now superseded by solid-state rectifiers.

Alternative form of great-circle arc

(geometry) a segment of a great circle

A commune in Doubs department, Bourgogne-Franche-Comté, France.