Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,514,683,349 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

aberration
(redirected from chromosome aberration)

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
ab·er·ra·tion  (b-rshn)
n.
1. A deviation from the proper or expected course. See Synonyms at deviation.
2. A departure from the normal or typical: events that were aberrations from the norm.
3. Psychology A disorder or abnormal alteration in one's mental state.
4.
a. A defect of focus, such as blurring in an image.
b. An imperfect image caused by a physical defect in an optical element, as in a lens.
5. The apparent displacement of the position of a celestial body in the direction of motion of an observer on Earth, caused by the motion of Earth and the finite velocity of light.
6. Genetics A deviation in the normal structure or number of chromosomes in an organism.

[Latin aberrti, aberrtin-, diversion, from aberrtus, past participle of aberrre, to go astray : ab-, away from; see ab-1 + errre, to stray; see ers- in Indo-European roots.]
click for a larger image
aberration
top: spherical aberration
bottom: chromatic aberration
A. red B. yellow

aberration
Noun
1. a sudden change from what is normal, accurate, or correct
2. a brief lapse in control of one's thoughts or feelings: he suddenly had a mental aberration [Latin aberrare to wander away]

aberration  (b-rshn)
1. A deviation in the normal structure or number of chromosomes in an organism.
2. A defect in a lens or mirror that prevents light rays from being focused at a single point and results in a distorted or blurred image. Aberration that results in distortion of color is called chromatic aberration. Aberration that is caused by imperfections in the surface or shape of a spherical mirror or lens is called spherical aberration. See also astigmatismcoma2
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.aberrationaberration - a state or condition markedly different from the norm
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
chromosomal aberration, chromosomal anomaly, chromosonal disorder, chrosomal abnormality - any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities
deflection, warp - a twist or aberration; especially a perverse or abnormal way of judging or acting
2.aberrationaberration - a disorder in one's mental state    
folie, mental disorder, mental disturbance, psychological disorder, disturbance - (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
3.aberrationaberration - an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
chromatic aberration - an optical aberration in which the image has colored fringes
optical phenomenon - a physical phenomenon related to or involving light
spherical aberration - an optical aberration resulting in a distorted image

aberration
Translations
aberration [æbəˈreɪʃən] naberración f;
in a moment of mental aberration → en un momento de enajenación mental
aberration [æbəˈreɪʃən] nanomalie f;
in a moment of mental aberration → dans un moment d'égarement
aberration [æbəˈreɪʃən] nAnomalie f;
in a moment of mental aberration → in einem Augenblick geistiger Verwirrung
aberration [æbəˈreɪʃən] naberrazione f


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in ? References in periodicals archive
 
Increased chromosome-type chromosome aberration frequencies as biomarkers of cancer risk in a blackfoot endemic area.
Examination of lymphocytes for chromosome aberrations after ultrasonic irradiation.
Microarray/biochip-based technologies for cytogenetics promise to speed up detection of chromosome aberrations now examined by FISH.
 
Dictionary/thesaurus browser? ? Full browser
 
 
Dictionary, Thesaurus, and Translations
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.