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- Parallax - meaning & definition
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/ˈpær.ə.læks/
Meaning & Definition
noun
The effect whereby the position or direction of an object appears to differ when viewed from different positions.
The parallax in the image was evident, making the foreground objects seem closer than they actually are.
In graphical user interface design, a technique where background images move more slowly than foreground images, creating a sense of depth.
The website utilized a parallax scrolling effect to enhance user experience and engagement.
The apparent displacement or difference in the position of an object viewed along two different lines of sight, typically measured by the angle or semi-angle of inclination between those two lines.
Astronomers use parallax to measure the distance to nearby stars by observing their position change against more distant background objects.
Etymology
From the Greek 'parallaxis', meaning 'a change' or 'a combination of two different perspectives'.
Common Phrases and Expressions
parallax error
An error in measurement resulting from the displacement of the object being measured from the measurement point.
stellar parallax
The perceived displacement of a star due to the Earth's movement around the sun.
Related Words
angle
The figure formed by two rays, or the space between them.
perspective
A particular attitude toward or way of regarding something; a point of view.
Slang Meanings
A shift in perspective or viewpoint.
After talking to him, I had a total parallax on the situation.
To change one's position on an issue.
She really parallaxed her opinion after hearing the other side.