Retrograde may refer to:

Film and television

* ''Retrograde'' (2004 film), a film by Christopher Kulikowski * ''Retrograde'' (2022 American film), a documentary film by Matthew Heineman * ''Retrograde'' (2022 Canadian film), a drama film by Adrian Murray * ''Retrograde'' (TV series), a 2020 Australian television comedy series

Medicine and science

Retrograde amnesia In neurology, retrograde amnesia (RA) is the inability to access memories or information from before an injury or disease occurred. RA differs from a similar condition called anterograde amnesia (AA), which is the inability to form new memories f ...

, a loss of memory-access to past events *

Retrograde ejaculation Retrograde ejaculation occurs when semen which would be ejaculated via the urethra is redirected to the urinary bladder. Normally, the sphincter of the bladder contracts before ejaculation, inhibiting urination and preventing a reflux of semen ...

, the redirection of ejaculated semen into the urinary bladder *

Retrograde metamorphism Metamorphism is the transformation of existing rock (the protolith) to rock with a different mineral composition or texture. Metamorphism takes place at temperatures in excess of , and often also at elevated pressure or in the presence of c ...

, the recrystallization of rocks under decreasing pressure and/or temperature *

Retrograde motion Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is, the central object (right figure). It may also describe other motions such as precession ...

, an orbit in the opposite direction of the rotation of the central mass or most other satellites * Retrograde signaling, the process where a signal travels backwards from a target source to its original source *

Apparent retrograde motion Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system, as observed from a particular vantage point. Direct motion or prograde motion is motion in the same direction as ot ...

, the apparent motion of planets as observed from a particular vantage point

Music and entertainment

* ''Retrograde'' (album), a 2016 album by Crown the Empire * ''Retrograde'' (Dinah Jane song), a 2019 single by Dinah Jane * ''Retrograde'' (James Blake song), a 2013 single from the album ''Overgrown'' *

Retrograde (music) A melodic line that is the reverse of a previously or simultaneously stated line is said to be its retrograde or cancrizans ( "walking backward", medieval Latin, from ''cancer'' "crab"). An exact retrograde includes both the pitches and rhythms i ...

, the playing back of a passage of notes * ''Retrograde'' (Pearl Jam song), a 2019 single by American rock band Pearl Jam *

Retrograde inversion In music theory, retrograde inversion is a musical term that literally means "backwards and upside down": "The inverse of the series is sounded in reverse order." Retrograde reverses the order of the motif's pitches: what was the first pitch ...

, a type of musical permutation * '' Retro/Grade'', a video game developed by 24 Caret Games

Other uses

Retrograde analysis In chess problems, retrograde analysis is a technique employed to determine which moves were played leading up to a given position. While this technique is rarely needed for solving ordinary chess problems, there is a whole subgenre of chess pr ...

, in chess problems *

Reverse dictionary A reverse dictionary is a dictionary alphabetized by the reversal of each entry: :stock (kcots) :diestock (kcotseid) :restock (kcotser) :livestock (kcotsevil) Before computers, reverse dictionaries were tedious to produce. The first computer-pro ...

, sometimes called ''retrograde dictionary''

Film and television

Medicine and science

Music and entertainment

Other uses

See also