noun
- a reduction in the brightness of lights, especially as a precaution against air raids or for energy conservation
Usage: historical; often used during wartime or emergencies
Examples
- During World War II, cities implemented a dimout to reduce visibility to enemy aircraft.
- The dimout was less severe than a complete blackout, allowing some limited lighting.
- Residents were instructed to comply with the dimout regulations each evening.
- The government ordered a dimout of all streetlights in the coastal areas.
- Energy conservation measures included a dimout of public buildings at night.