Devastation
Devastation (colony) in the Stellaris encyclopedia: Devastation is the amount of damage suffered by a Colony, usually from Orbital Bombardment. Experiencing too much Devastation negatively affects multiple areas, for example Housing, Amenities, and Job production.
Devastation in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Devastation is the amount of damage suffered by a 
Colony, usually from Orbital Bombardment. Experiencing too much Devastation negatively affects multiple areas, for example 
Housing, 
Amenities, and 
Job production.
Devastation is slowly decreased over time as the Colony is repaired.
The 
Colony View shows the current level of Devastation.
Entries that mention Devastation
More in Colony
Source: common/game_concepts (concept_devastation) and localisation/english, Stellaris Cygnus v4.5.2 (9776).