Definitions

1. noun

A apparent displacement or difference in the apparent position of an object viewed along two different lines of sight, especially when looking through a telescope or binoculars.

“The astronaut noticed a parallax between the stars when he looked at them with his binoculars.”

2. noun

A method in astronomy for determining the distance of a star by measuring the apparent shift of the star against the background of more distant stars when viewed from opposite sides of the Earth’s orbit.

“The scientists used the parallax method to calculate the distance of the star from Earth.”

3. noun

A technique in photography for creating a three-dimensional effect by combining two images of a scene taken from slightly different angles.

“The photographer used a parallax effect to create a 3D image of the cityscape.”

4. verb

To calculate or determine the distance of a star by measuring its parallax.

“The astronomers parallaxed the star to determine its distance from Earth.”