different between aberration vs aberrometer
aberration
English
Etymology
A learned borrowing from Latin aberr?ti? (“relief, diversion”), first attested in 1594 , from aberr? (“wander away, go astray”), from ab (“away”) + err? (“wander”). Compare French aberration. Equivalent to aberrate +? -ion.
Pronunciation
- (US) IPA(key): /?æb.???e?.?n?/
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 position in 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.]
- 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.
Derived terms
Related terms
Translations
References
French
Etymology
From Latin aberrationem, aberratio.
Pronunciation
- IPA(key): /a.b?.?a.sj??/
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 (The Digitized Treasury of the French Language).
Anagrams
- abornerait, arboraient
aberration From the web:
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aberrometer
English
Noun
aberrometer (plural aberrometers)
- A device that measures refractive aberrations of the eye
Related terms
- aberrometrist
- aberrometry
Translations
aberrometer From the web:
- intraoperative aberrometry
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