parallax

parallax

English

Etymology

From Middle French parallaxe, from Ancient Greek παράλλαξις (parállaxis, “alteration”) from παραλλάσσω (parallássō, “to cause to alternate”) from ἀλλάσσω (allássō, “to alter”) from ἄλλος (állos, “other”).

Pronunciation

• IPA^(key): /ˈpæɹ.əˌlæks/

Noun

parallax (countable and uncountable, plural parallaxes)

1. 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.
   • 1685, J. Flamsteed in Philosophical Transactions XV, p. 1217:

     […] Heliocentrick places, to which the Parallaxes being applied, give the Geocentrick.

   • 2008, Bernard Perron, Mark J. P. Wolf, The Video Game Theory Reader 2 (page 157)

     Planes farther back on the z-axis scroll more slowly than those in front of them, producing a parallax effect. Early games with parallax scrolling tended to have their action taking place all in the forefront plane […]

2. (astronomy) The angle of seeing of the astronomical unit.

Derived terms

• parallactic
• parsec

Translations

shift

Catalan: paral·laxi (ca) f Chinese: Mandarin: 視差／视差 (zh) (shìchā) Czech: paralaxa Danish: parallakse (da) Esperanto: paralakso Estonian: parallaks Finnish: parallaksi French: parallaxe (fr) f Galician: paralaxe (gl) f German: Parallaxe (de) f Greek: παράλλαξη (el) (parállaxi) Haitian Creole: paralaks Hungarian: parallaxis (hu) Irish: saobhdhiall m Italian: parallasse (it) f Japanese: 視差 (しさ, shisa) Kazakh: параллакс (parallaks) Latvian: paralakse Luxembourgish: parallax Norwegian: parallakse Polish: paralaksa f Portuguese: paralaxe (pt) f Romanian: paralaxă (ro) Russian: паралла́кс (ru) m (paralláks) Sicilian: parallassi Slovene: paralaksa Spanish: paralaje (es) m or f Tamil: இடமாறுதோற்றம் (iṭamāṟutōṟṟam) Turkish: paralaks (tr) Vietnamese: thị sai (視差) Welsh: paralacs m

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Icelandic: (please verify) hliðrun f, (please verify) sýndarhliðrun f, (please verify) sýndarfærsla f, (please verify) sjónstöðumunur m

Verb

parallax (third-person singular simple present parallaxes, present participle parallaxing, simple past and past participle parallaxed)

1. (transitive) To measure (a distance) based on parallax observations.
2. (animation) To produce an illusion of levels of distance by shifting layers at different rates.

---

Dutch

Etymology

Borrowed from Middle French parallaxe, from Latin parallaxis, from Ancient Greek παράλλαξις (parállaxis).

Pronunciation

• IPA^(key): /ˌpaː.rɑˈlɑks/

• Audio

  (file)

• Hyphenation: pa‧ral‧lax
• Rhymes: -ɑks

Noun

parallax m (plural parallaxen)

1. parallax

Derived terms

• sterparallax
• zonsparallax