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countable and uncountable, plural parallaxes
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. quotations examples
[…] Heliocentrick places, to which the Parallaxes being applied, give the Geocentrick.
1685, J. Flamsteed, Philosophical Transactions, XV, p. 1217
Planes farther back on the z-axis scroll more slowly than those in front of them, producing a parallax effect. Early games with parallax scrolling tended to have their action taking place all in the forefront plane […]
2008, Bernard Perron, Mark J. P. Wolf, The Video Game Theory Reader 2, page 157
(astronomy) The angle of seeing of the astronomical unit. examples
third-person singular simple present parallaxes, present participle parallaxing, simple past and past participle parallaxed
(transitive) To measure (a distance) based on parallax observations. examples
(animation) To produce an illusion of levels of distance by shifting layers at different rates. examples