angular diameter


noun Astronomy.

the angle that the apparent diameter of a celestial object subtends at the eye of the observer.

Nearby words

  1. angular acceleration,
  2. angular artery,
  3. angular cheilitis,
  4. angular curvature,
  5. angular deformation,
  6. angular dispersion,
  7. angular displacement,
  8. angular frequency,
  9. angular gyrus,
  10. angular house

Origin of angular diameter

First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019