wedgelet

Etymology

 * Introduced in David L. Donoho's 1999 paper "Wedgelets: nearly minimax estimation of edges".
 * Introduced in David L. Donoho's 1999 paper "Wedgelets: nearly minimax estimation of edges".

Noun

 * 1) A small wedge.
 * 2)  A kind of geometrical wavelet used in image processing.
 * 3)  One of a set of wedge-like structures (barometric ridges) that compose a substorm current wedge.