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 Now superseded by solid-state rectifiers.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.

(geology) A tectonic plate convergent boundary in Micronesia

Epioblasma arcaeformis, an extinct species of freshwater mussel.

(trigonometry) Any of several single-valued or multivalued functions that are inverses of the sine function. Symbol: arcsin, sin⁻¹