parallax
1. The apparent displacement of an object that follows a change in the position from which it is viewed. 2. See phi phenomenon. [G. alternately, fr. par-allasso, to make alternate, fr. allos, other]
- binocular p. the difference in the angles formed by the lines of sight to two objects situated at different distances from the eyes; a factor in the visual perception of depth. SYN: stereoscopic p..
- heteronymous p. the apparent movement of an object toward the closed eye; noted in exophoria.
- homonymous p. the apparent movement of an object toward the open eye when one is closed; noted in esophoria.
- stereoscopic p. SYN: binocular p..
- vertical p. the relative vertical displacement of the image when each eye is closed in turn; seen in vertical diplopia, or heterophoria.

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par·al·lax 'par-ə-.laks n the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object <motion \parallax governs the way objects appear to move when the eyes or head are shifted (Edmund Andrews)>

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par·al·lax (parґə-laks) [Gr. “change of position”] an apparent displacement of an object due to a change in the observer's position. parallactic adj

Medical dictionary. 2011.

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  • Parallax — Saltar a navegación, búsqueda Para el término técnico, véase paralaje. Parallax Publicación DC Comics Primera aparición Green Lantern (vol. 3) Nº 50 Características Nombre real Hal Jordan Parallax es un vill …   Wikipedia Español

  • Parallax — Par al*lax, n. [Gr. ? alternation, the mutual inclination of two lines forming an angle, fr. ? to change a little, go aside, deviate; para beside, beyond + ? to change: cf. F. parallaxe. Cf. {Parallel}.] 1. The apparent displacement, or… …   The Collaborative International Dictionary of English

  • parallax — [par′ə laks΄] n. [Fr parallaxe < Gr parallaxis < parallassein, to vary, decline, wander < para ,PARA 1 + allassein, to change < allos, other: see ELSE] 1. the apparent change in the position of an object resulting from the change in… …   English World dictionary

  • Parallax — (Hal Jordan) es un superhéroe del Universo DC. Debuto en el número 50 de la revista Green Lantern. Parallax es la encarnacion de Hal Jordan tras los tragicos eventos de Crespusculo Esmeralda saga en la que es destruida Ciudad Costera así como… …   Enciclopedia Universal

  • parallax — (n.) 1570s, from M.Fr. parallaxe (mid 16c.), from Gk. parallaxis change, alteration, inclination of two lines meeting at an angle, from parallassein to alter, make things alternate, from para (see PARA (Cf. para )) + allassein to change, from… …   Etymology dictionary

  • parallax — ► NOUN 1) the apparent difference in the position of an object when viewed from different positions, e.g. through the viewfinder and the lens of a camera. 2) Astronomy the angular difference in the apparent positions of a star observed from… …   English terms dictionary

  • Parallax — For other uses, see Parallax (disambiguation). A simplified illustration of the parallax of an object against a distant background due to a perspective shift. When viewed from Viewpoint A , the object appears to be in front of the blue square.… …   Wikipedia

  • parallax — parallactic /par euh lak tik/, adj. parallactically, adv. /par euh laks /, n. 1. the apparent displacement of an observed object due to a change in the position of the observer. 2. Astron. the apparent angular displacement of a celestial body due …   Universalium

  • Parallax SX — The Parallax SX line of microcontrollers were formerly made by Ubicom. The SX dies are still manufactured by Ubicom, who sends them to Parallax for packaging. Ubicom used to make SX processor with 18, 20, 28, 48 and 52 pins, but because Parallax… …   Wikipedia

  • parallax — i. As it relates to photo interpretation, the apparent displacement of the position of a body with respect to a reference point or system caused by a shift in the point of observation. In the illustration, A will see the black post to the right… …   Aviation dictionary

  • parallax — /ˈpærəlæks / (say paruhlaks) noun 1. a misalignment in the comparison of two locations due to the relative position of the observer. 2. diurnal parallax or geocentric parallax, the apparent displacement of a heavenly body due to its being… …   Australian English dictionary

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