An apparent shift in the position of two stationary objects relative to each other as viewed by an observer, due to a change in observer position.

(transitive) To measure (a distance) based on parallax observations. / (animation) To produce an illusion of levels of distance by shifting layers at different rates.

simple past tense and past participle of parallax

present participle of parallax

plural of parallax

A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

plural of parallax second

(philosophy) philosophical phenomenon described as the dislocation of the axis of the theoretical construction of a thinker and the axis of his lived experience; discrepancy between theory and experience

(photography, optics) The apparent motion of a tracking-locked foreground object against a background, when the camera is moving across the environment. (ie. A stationary object will appear to move across a background, when a moving camera is locked to track it)

(photography, optics) The illusion of higher speed travel of a foreground object moving, when it is closer to the observer/camera, than when it is further away.