A parallax is an optical illusion of relative displacement of an object viewed along two different lines of sight.

parallax used in a sentence

A parallax is an optical illusion of relative displacement of an object viewed along two different lines of sight.

Contents

Etymology

The word comes from Late Latin parallaxis, from Greek παράλλαξις (parallaxis), “alteration”, from παρα- (para-), “beside” + -λαξις (-laxis), “displacement.”

What is parallax?

A parallax is an optical illusion of relative displacement of an object viewed along two different lines of sight. If you look at a book from one side and then from the other, the text on the pages will seem to move in opposite directions. It happens because each eye views a different perspective of the same object.

Parallax effects can be used to create some interesting visual effects in your video editing projects, but don’t overuse them, or they may get annoying for your audience. To identify parallax, you need to know how far away an object is from your point of view and how far apart two objects are. Typically, parallax occurs when you are standing on a train that passes through a tunnel; as the train moves forward, objects on either side of the tracks seem closer or further away than before.

parallax use in sentences

These are some examples of sentences where the word “parallax” has been used:

  1. One way astronomers use parallax is to estimate the distance from Earth to other planets and stars.
  2. A parallax is the apparent displacement of an object due to a change in perspective.
  3. A parallax is a property of the relative motion of an object as observed from two different positions.
  4. Parallax can be used to determine distances to the closer of two objects in which the relative position of each other has changed.
  5. Parallax is a function of distance and angle, so the parallax of an object depends on your distance from it and the angle between your line of sight and its axis of symmetry.
  6. In geometrical optics, parallax is a phenomenon that occurs when viewing very close objects, such as a coin held at arm’s length.
  7. In astronomy, parallax can determine distances to the closer stars, called stellar parallax.
  8. The apparent change in position against a distant background is due to the movement of the object being observed (gravitational parallax).
  9. The moon moves along the same path as the stars because it is much closer. This apparent motion is called parallax.
  10. Parallax occurs when an object appears to be displaced due to a change in the observer’s position relative to that object.
  11. The closer an object is, the smaller its parallax will be.
  12. In land surveying and astronomy, parallax can be used as a geodetic tool to measure horizontal or vertical distances, in cartography and videography to determine the angular distance between cameras, and in laser ranging to measure distance.
  13. Parallax is the difference in the apparent position of an object when viewed from different positions.
  14. In photography, parallax is also known as shift photography.[2] This term has also been applied to motion pictures; see 3D film technology for more details.
  15. Parallax arises due to a change in viewpoint occurring due to the observer’s motion, an observed object, or both.
  16. Parallax also affects online shopping websites (eCommerce), where user experience is influenced by how quickly a website loads on different devices.
  17. Parallax is used to describe the way we see things differently, depending on our perspective.
  18. The annual parallax is the difference in position of an object against a background due to Earth’s revolution about its axis.
  19. Parallax is used to calculate distances to objects in space from Earth using trigonometry (Math).
  20. The parallax of a star is defined as the angle subtended by its half-annual motion.

Similar Words of parallax:

altered; crooked; depressed; drooped; dragged down; flat; horizontal; incongruent pairwise; irrelevant ; slanted; skewed; stooped; far; near; nearby; in the distance; overhead; visual; apparent; illusionary, illusory, hallucinatory; false, misleading; artificial, mistaken, wrong; look as if; seems as if; seems to be; looks like; looming; disconcerting; disorienting; odd; mystifying; uncanny; vertiginous; angular; angular; dark; grim; huge; immense; large; massive; dazzling; dazzling; illusory; misleading; mercurial; amusing; entertaining; diverting; fun; entertaining; entertaining; cheerful; lively; one-sided; biased; prejudiced; crabby; grouchy; grumpy; snappish; sour-tempered 

More to read:

AlliterationClimaxInterjection100 Examples of Simile
AllusionCacophonyImagerySatire
AllegoryComedyIronySoliloquy
AnalogyColloquialism

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