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nebula

nebula

1 9.9
A faint cloudy spot on the front part of the eye that can blur vision
  • noun
  • /ˈnɛbjʊlə/
  • Archaic
translation icon : opacidad corneal

Examples

  • For example, in one figure of Andromeda (reproduced below) from a Medieval Latin manuscript, the nebula is even more conspicuous than in al-Sufi's original (at right), even though the Medieval authors may not have known what it meant, as the Arabic text was not available to them in Latin translation.

    Academic text (1993)
  • The doctor explained that the nebula on the cornea could affect my vision if not monitored.

  • She was diagnosed with a nebula in her left eye, which needed medical treatment to prevent further issues.

  • During the examination, the optometrist pointed out the nebula on the patient's cornea and discussed possible treatments.

Compounds

planetary nebula
  • Specialized
3 7.7

A glowing shell of gas thrown off by a dying star and lit by the star's strong light

2 8.2

The remains of a star explosion that people first saw in 1054 in the constellation Taurus

spiral nebula
  • Archaic
1 8.1

A large group of stars in a flat spiral shape with arms of young stars around an older centre

diffuse nebula
  • Specialized
9.1

A cloud of gas and dust lit by nearby stars, seen as a faint hazy patch in the sky

9.9

A large group of stars and dust outside our galaxy

gaseous nebula
  • Specialized
8.4

A bright cloud of gas and dust in space where new stars can form

Surface Forms

nebula singular
nebulas plural

Etymology

Nebula comes from the Latin nebula meaning 'mist' or 'cloud', so in medicine a corneal nebula is like a tiny 'cloud' on the eye that can make your sight cloudy.