Horizon darkening Synonyms

We can't find synonyms for the phrase "Horizon darkening", but we have synonyms for terms, you can combine them.

Horizon Synonyms

Darkening Synonyms

HD abbreviation

HD is an abbreviation for Horizon Darkening
What does HD stand for?
HD stands for "Horizon Darkening"

Definitions for Horizon


  • (noun) the line at which the sky and earth appear to meet
  • (noun) the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the earth
  • (noun) the range of interest or activity that can be anticipated

Definitions for Darkening


  • (adjective) causing or marked by an atmosphere lacking in cheer
  • (noun) changing to a darker color
  • (adjective) becoming dark or darker as from waning light or clouding over