radioactive cloud

Airborne contamination mass

A radioactive cloud is an airborne mass of particles contaminated with radioactive material, typically produced by nuclear explosions, reactor accidents, or dirty bombs.

Such clouds drift with wind patterns, depositing fallout over wide areas: The radioactive cloud from Chernobyl spread across much of Europe.

Also called a fallout cloud.

Opposites
contamination/purity

radioactive cloudclean air

Uncontaminated breathable gas

fresh air · pure air · clear skies · breathable air · unpolluted air

threat level

radioactive cloudsafe zone

Protected area from threats

all-clear · safety · shelter · habitable zone · refuge

environmental threat level

radioactive cloudgentle breeze

Mild movement of air

Family

radio, cloud, radioactive, radioactivity, radios, clouds, cloudy, cloudier, cloudiest

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Negative · Everyday, not technical · Rated PG