luminous range

  1. the distance at which a certain light, as that of a lighthouse, is visible in clear weather, disregarding interference from obstructions and from the curvature of the earth and depending on the power of the light.

Words Nearby luminous range Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use luminous range in a sentence

  • I hurriedly gaze through the luminous range bars, fixed at right angles to the direction bar.

    'Green Balls' | Paul Bewsher
  • The machine ceases its leftward drift and swings to the right, and the two luminous range-bars are in line with the bridge.

    'Green Balls' | Paul Bewsher