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reseau

reseau

9.9
A grid of fine lines on glass used by astronomers to measure star positions on photographs
  • noun
  • /rɛˈzoʊ/
  • Specialized
translation icon : retículo
  • The astronomer overlaid a reseau on the photographic plate to improve measurement accuracy.

Examples

  • Specially designed reseaux are essential for mapping star positions precisely.

  • Before digital imaging, scientists used a glass reseau for calibrating film-based observations.

  • The reseau is crucial for measuring celestial distances.

  • A reseau can help in determining distances in astrophotography.

  • The astronomer overlaid a reseau on the photographic plate to improve measurement accuracy.

  • Before digital imaging, scientists used a glass reseau for calibrating film-based observations.

  • A reseau can help in determining distances in astrophotography.

Synonyms

reticle
vsreseau
  • Specialized
1 9.5

A pattern of fine lines or dots in an eyepiece that helps you aim and measure

is used specifically on glass plates to measure star positions
reticule
vsreseau
  • Specialized
1 9.9

A set of fine lines in an eyepiece that help aim and measure

is instead usually a grid on glass for measuring photographic star images
réseau
vsreseau
  • Specialized
9.9

A grid of fine lines placed over an image to help measure or align it

is specifically the grid placed on glass for measuring star images
graticule
vsreseau
  • Specialized
9.9

A set of small lines or crosshairs in an instrument's eyepiece that helps you measure and aim

is mainly a glass grid used for precise measurement of star images

How Precise

reseau
  • Specialized
9.9
reticle
  • Specialized
1 9.5
grid
69 3.4

Surface Forms

reseau singular
reseaux plural

Etymology

Reseau comes from French and means 'net' or 'network', so think of a fine grid or net of lines used as a measuring guide on glass. That's why astronomers called their reference grid a reseau when they needed exact positions for stars.