aberrasjon

Norwegian Bokmål

Etymology

Learned borrowing from Latin aberrātiō (“relief, diversion”), from aberrātus (“wandered, strayed, deviated”) (with the suffix -tiō (“-tion, -ation, -ing”), from Proto-Italic *-tjō, from Proto-Indo-European *-tis), perfect passive participle of aberrō (“I wander, stray; aberr”), from both ab- (“from, away from”), from ab (“from, away from, of”), from Proto-Italic *ab, from Proto-Indo-European *h₂epó (“off, away”) + and from errō (“I wander, astray; err”), from Proto-Italic *erzāō (“to roam, wander; go astray, waver”), from Proto-Indo-European *h₁ers-eh₂-yé-ti, from Proto-Indo-European *h₁ers- (“to flow”). Doublet of aberrant.

Compare French aberration, Portuguese aberração, Spanish aberración and English aberration.

Pronunciation

• IPA^(key): /abɛraˈʃuːn/

• Audio:

  (file)

• Rhymes: -uːn
• Hyphenation: ab‧er‧ra‧sjon

Noun

aberrasjon m (definite singular aberrasjonen, indefinite plural aberrasjoner, definite plural aberrasjonene)

1. (archaic) an exception
   • 1917, Ludvig Ludvigsen Daae, Paul Botten Hansen, page 113:

     var noget menneske fri for alle saadanne aberrationer, da var det Hansen

     was any human being free from all such aberrations, then it was Hansen

   Synonyms: avvik, unntak

2. (astronomy) an aberration (a small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.)
   • 2015, astronomi.no:

     aberrasjon er enhver forskjell mellom bildet i et teleskop og et perfekt bilde

     aberration is any difference between the image in a telescope and a perfect image

3. (optics) an aberration (the convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.)

   sfærisk aberrasjon og kromatisk aberrasjon

   spherical aberration and chromatic aberration

4. (zoology, botany) an aberration (atypical development or structure; deviation from the normal type; an aberrant organ)

References

• “aberrasjon” in The Bokmål Dictionary.
• “aberrasjon” in Det Norske Akademis ordbok (NAOB).
• “aberrasjon” in Store norske leksikon
• “aberrasjon (astronomi)” in Store norske leksikon
• “aberrasjon (optikk)” in Store norske leksikon