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Pronunciation:  `abu'reyshun

WordNet Dictionary
  1. [n]  an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
  2. [n]  a disorder in one's mental state
  3. [n]  a state or condition markedly different from the norm

ABERRATION is a 10 letter word that starts with A.


 Synonyms: aberrance, aberrancy, deviance, distortion, optical aberration
 See Also: abnormal condition, abnormalcy, abnormality, chromatic aberration, chromosomal aberration, chromosomal anomaly, chromosonal disorder, chrosomal abnormality, deflection, disturbance, folie, mental disorder, mental disturbance, optical phenomenon, psychological disorder, spherical aberration, warp



Webster's 1913 Dictionary
\Ab`er*ra"tion\, n. [L. aberratio: cf. F. aberration.
See {Aberrate}.]
1. The act of wandering; deviation, especially from truth or
   moral rectitude, from the natural state, or from a type.
   ``The aberration of youth.'' --Hall. ``Aberrations from
   theory.'' --Burke.

2. A partial alienation of reason. ``Occasional aberrations
   of intellect.'' --Lingard.

         Whims, which at first are the aberrations of a
         single brain, pass with heat into epidemic form.
                                               --I. Taylor.

3. (Astron.) 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; called {annual aberration}, when the observer's
   motion is that of the earth in its orbit, and daily or
   {diurnal aberration}, when of the earth on its axis;
   amounting when greatest, in the former case, to 20.4'',
   and in the latter, to 0.3''. {Planetary aberration} is
   that due to the motion of light and the motion of the
   planet relative to the earth.

4. (Opt.) 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;
   called {spherical aberration}, when due to the spherical
   form of the lens or mirror, such form giving different
   foci for central and marginal rays; and {chromatic
   aberration}, when due to different refrangibilities of the
   colored rays of the spectrum, those of each color having a
   distinct focus.

5. (Physiol.) The passage of blood or other fluid into parts
   not appropriate for it.

6. (Law) The producing of an unintended effect by the
   glancing of an instrument, as when a shot intended for A
   glances and strikes B.

Syn: Insanity; lunacy; madness; derangement; alienation;
     mania; dementia; hallucination; illusion; delusion. See

Thesaurus Terms
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