Associations to the word «Parallax»

Wiktionary

PARALLAX, noun. An apparent shift in the position of two stationary objects relative to each other as viewed by an observer, due to a change in observer position.
PARALLAX, noun. The angle of seeing of the astronomical unit.
PARALLAX SECOND, noun. A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 1013 kilometers, or 3.2616 light-years.
PARALLAX SECONDS, noun. Plural of parallax second

Dictionary definition

PARALLAX, noun. The apparent displacement of an object as seen from two different points that are not on a line with the object.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats