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aberration

aberration

3 8.4
A fault in a lens or mirror that makes images look wrong
  • noun
  • /ˌæbəˈreɪʃən/
  • Specialized
translation icon : aberración
  • The Hubble's spherical aberration spread light out into a fuzzy halo four arc seconds across.
  • spherical aberration
  • chromatic aberration
  • lens aberrations

Examples

  • Using high-quality lenses can reduce aberration and produce clearer photographs.

  • First of all, there are the phenomena of chromatic and spherical aberration.

    Academic text (2000)
  • Suddenly, there was no aberration, only beautiful, clear images of atoms.

  • Occasionally, a strange aberration may slip into a painting.

    Academic text (2009)
  • The tech produces great dynamic range and perhaps the lowest aberration and clipping.

    Blog text (2)
  • "Cat" lenses are remarkably free from chromatic aberrations and have very good resolving power.

    Academic text (1994)
  • I attempted to explain the spherical aberration, the structural defects of the concave mirror.

    Fiction book (1995)
  • The astronomer noted that chromatic aberration caused the stars to appear distorted in the telescope.

  • The engineer explained that the optical aberration resulted in blurred images in the camera.

Synonyms

distortion
vsaberration
26 5.0

A change in shape or appearance that makes things look less accurate

is specifically caused by lens or mirror defects producing image errors
artifact
vsaberration
  • Specialized
12 7.2

A strange error in a photo, video or audio file caused by processing

is caused by lens or mirror defects, not processing or transmission faults
optical aberration
vsaberration
  • Specialized
7.4

A fault in a lens or mirror that makes images look unclear

is the same concept but expressed without the specific modifier
defocus
vsaberration
7.4

A photo or view that is blurry and not clear

is caused by lens or mirror defects rather than simple focus error

Antonyms

169 3.8

How close a measurement or statement is to the correct value

30 2.7

How easy it is to see through something like clean water

Compounds

chromatic aberration
  • Specialized
1 8.8

A problem in a camera lens that makes colored edges appear in photos

spherical aberration
  • Specialized
1 9.5

Light through the edge of a round lens or mirror focuses at different points, making the image blurred

1 8.9

A change in the usual number or shape of chromosomes that often causes physical and mental problems

optical aberration
  • Specialized
7.4

A fault in a lens or mirror that makes images look unclear

How Distorted

aberration
  • Specialized
3 8.4
distortion
26 5.0
blur
146 4.2
imperfection
51 3.7

Surface Forms

aberration singular
aberrations plural

Morphology

aberration = aberrant (opaque) = aberr + ation

The root 'aberr' is not a recognizable English word, making the word opaque for learners.

Etymology

Aberration comes from old Latin parts ab- 'away' and err- 'to wander', the same part as error. In photography or when light passes through a lens, an aberration is when the light has 'wandered away' from the correct path, so the picture looks blurred or wrong.