blackening
1. [ noun ] (color) changing to a darker color
Synonyms: darkening
Related terms: change_of_color obfuscation darken
Similar spelling:   blacken
  blacking
  blocking
  blackened
  blacksnake
  Black_English
  blacken_out
  black_Angus
  Blakeman
  Blackson
  Blackmon
  Blackman
  black_medick
  bleakness
  Blackmore
  blackmail
  black_man
  blacksmith
  black_knot
  black_gum