parallax
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Related to Parallax view: Warren Beatty, parallax effect
par·al·lax
(păr′ə-lăks′)n.
A change in the apparent position of an object relative to more distant objects, caused by a change in the observer's line of sight toward the object.
[French parallaxe, from Greek parallaxis, from parallassein, to change : para-, among; see para-1 + allassein, to exchange (from allos, other; see al- in Indo-European roots).]
par′al·lac′tic (-lăk′tĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
parallax
(ˈpærəˌlæks)n
1. (General Physics) an apparent change in the position of an object resulting from a change in position of the observer
2. (Astronomy) astronomy the angle subtended at a celestial body, esp a star, by the radius of the earth's orbit. Annual or heliocentric parallax is the apparent displacement of a nearby star resulting from its observation from the earth. Diurnal or geocentric parallax results from the observation of a planet, the sun, or the moon from the surface of the earth
[C17: via French from New Latin parallaxis, from Greek: change, from parallassein to change, from para-1 + allassein to alter]
parallactic adj
ˌparalˈlactically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
par•al•lax
(ˈpær əˌlæks)n.
1. the apparent displacement of an observed object due to a change in the position of the observer.
2. the apparent angular displacement of a celestial body due to its being observed from the surface instead of from the center of the earth or due to its being observed from the earth instead of from the sun.
3. the difference between the view of an object as seen through the picture-taking lens of a camera and the view as seen through a separate viewfinder.
[1585–95; < Greek parállaxis change =parallak- (s. of parallássein to cause to alternate =para- para-1 + allássein to vary, akin to állos other) + -sis -sis]
par`al•lac′tic (-ˈlæk tɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Viewed from point A, a nearby star appears to occupy position a against a background of more distant stars. Six months later, from position B, the star appears to occupy position b.
par·al·lax
(păr′ə-lăks′) An apparent change in the position of an object, such as a star, caused by a change in the observer's position that provides a new line of sight. The parallax of nearby stars caused by observing them from opposite points in Earth's orbit around the sun is used in estimating the stars' distance from Earth.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
parallax
In photography, the apparent displacement of the position of an object in relation to a reference point, due to a change in the point of observation.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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| Noun | 1. |  parallax - the apparent displacement of an object as seen from two different points that are not on a line with the objectoptical phenomenon - a physical phenomenon related to or involving light annual parallax, heliocentric parallax - the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline diurnal parallax, geocentric parallax - the parallax of a celestial body using two points on the surface of the earth as the earth rotates |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
parallax
n → Parallaxe f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
par·al·lax
n. paralaje, posición de desplazamiento aparente de un objeto de acuerdo con la posición del observador.
English-Spanish Medical Dictionary © Farlex 2012