parallax

🇺🇸 /ˈpærəlæks/ 🇬🇧 /ˈpærəlæks/
Frequency
Difficulty
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noun
R

The apparent change in position of an object when viewed along different lines of sight.

The astronomer used parallax to measure the distance to the faraway star.

translation

n. The apparent change in position of an object when viewed along different lines of sight.

Word Forms

Plural parallaxes