aberration

== English == === Etymology === A learned borrowing from Latin aberrātiō(n) (“relief, diversion”), first attested in 1594, from aberrō (“wander away, go astray”), from ab (“away”) + errō (“wander”). Compare French aberration. By surface analysis, aberrat(e) +‎ -ion. === Pronunciation === (US) IPA(key): /ˌæb.əˈɹeɪ.ʃn̩/ === Noun === aberration (countable and uncountable, plural aberrations) The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state. [Late 16th century.] (optics) 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. [Mid 18th century.] (astronomy) A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer. [Mid 18th century.] (astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon). A partial alienation of reason. [Early 19th century.] (fantasy, roleplaying games) Any creature with supernatural powers not found in the organized classes of beings in a given setting. A mental disorder, especially one of a minor or temporary character. [Early 19th century.] (zoology, botany) Atypical development or structure; deviation from the normal type; an aberrant organ. [Mid 19th century.] (medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range. (electronics) A defect in an image produced by an optical or electrostatic lens system. ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== === References === == Danish == === Noun === aberration c (singular definite aberrationen, plural indefinite aberrationer) (astronomy) aberration (optics) aberration ==== Declension ==== === Further reading === “aberration” in Den Danske Ordbog == French == === Etymology === Unadapted borrowing from Latin aberrātiō(n) (“relief, diversion”), from aberr(ā) (“wander away, go astray”) (from ab (“away”) + errō (“wander”)) + -tiō(n) (suffix forming nouns relating to actions or their results). Compare English aberration. === Pronunciation === IPA(key): /a.bɛ.ʁa.sjɔ̃/ ~ /a.be.ʁa.sjɔ̃/ === Noun === aberration f (plural aberrations) aberration the state of being aberrant (astronomy) aberration (optics) aberration (physiology) aberration or mutation ==== Related terms ==== aberrer === Further reading === “aberration”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 === Anagrams === abornerait, arboraient