Variant of parallax
- the apparent change in the position of an object resulting from the change in the direction or position from which it is viewed
- the amount of angular degree of such change: the parallax of an object may be used in determining its distance from the observer because smaller angles indicate greater distance
- Astron. the apparent difference in the position of a celestial object with reference to a fixed background when viewed from two distant locations having a triangulated base line equal to the radius of the earth ( or ) or equal to the radius of the earth's orbit ( or )
- the difference between the actual view covered by a camera lens and the apparent view seen through the viewfinder: this may be significant when the object is close to the camera
Origin: Fr parallaxe from Glassical Greek parallaxis from parallassein, to vary, decline, wander from para-, para- plush allassein, to change from allos, other: see else
- parallactic adjective
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