aberration

Fetched 2026-10-26 (cache).

Synonyms: oberration, abberration, abjuration, aberrative, aberratic, serration, aberrations, acervation, aversation, atterration, abberation

Antonyms: oberration, abberration, abjuration, aberrative, aberratic, serration, aberrations, acervation, aversation, atterration, abberation

Related words from Datamuse; suggestions, not definitions.

Noun

1. The act of wandering; [[deviation]] from truth, moral [[rectitude]]; [[abnormal]]; divergence from the straight, correct, proper, normal, or from the natural state. {{defdate|Late 16^th century.}}<ref name=SOED>{{R:SOED5|page=4}}</ref>
2. {{lb|en|optics}} The [[convergence]] to different [[focus|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. {{defdate|Mid 18^th century.}}<ref name=SOED/>
3. {{lb|en|astronomy}} A small [[periodical]] change of the apparent positions of the [[star]]s and other heavenly bodies, due to the combined effect of the [[motion]] of [[light]] and the motion of the [[observer]]. {{defdate|Mid 18^th century.}}<ref name=SOED/>
4. A partial [[alienation]] of reason. {{defdate|Early 19^th century.}}<ref name=SOED/>
5. {{lb|en|fantasy|RPG}} Any [[creature]] with [[supernatural]] powers not found in the organized classes of beings in a given setting.
6. A [[mental]] [[disorder]], especially one of a minor or temporary character. {{defdate|Early 19^th century.}}<ref name=SOED/>
7. {{lb|en|zoology|botany}} Atypical development or structure; deviation from the normal type; an aberrant organ. {{defdate|Mid 19^th century.}}<ref name=SOED/>
8. {{lb|en|medicine}} A [[deviation]] of a [[tissue]], [[organ]] or [[mental]] functions from what is considered to be within the normal range.
9. {{lb|en|electronics}} A [[defect]] in an image produced by an [[optical]] or [[w: electrostatic lens|electrostatic lens]] system.<ref>''Penguin Dictionary of Electronics, Fourth Edition'', 2005. Penguin Books: London.</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.