Rectification

Rectification has the following technical meanings:

Mathematics

• Rectification (geometry), truncating a polytope by marking the midpoints of all its edges, and cutting off its vertices at those points
• Rectifiable curve, in mathematics
• Rectifiable set, in mathematics

Science

• Rectified spirit, in chemistry, a process of repeated distillation
• GHK flux equation#Rectification, in biology, a process in cell membranes

Technology

• Image rectification, adjustment of images to simplify stereo vision or to map images to a map coordinate system (GIS)
• Rectifier, an electrical device that converts alternating electrical current (AC), which periodically reverses direction, to direct current (DC)
• Rectified airspeed, a means of displaying the airspeed of high-speed aircraft

Other uses

• Rectification (law), an equitable legal remedy whereby a court orders a change in a written document to reflect what it should have said in the first place
• Rectification, in astrology, "rectification of the birth time" is a practice used when natal birth time is imprecise
• Rectification Movement (also called the Yan'an Rectification Movement or Zheng Feng), the first ideological mass movement initiated by the Chinese Communist Party (CCP), going from 1942 to 1944.
• Rectification of names, a practice in Chinese philosophy, see Confucianism(zhèngmíng)

See also

• Rectifier (disambiguation)
• Rectify, American television series