Meltdown 101: A brief glossary of nuclear terms

Containment structure

The containment structure within the containment building is a gas-tight, often dome-shaped vessel to enclose fission material in the event of an accident. A major concern is that one or more of these vessels cracked after the earthquake, releasing radioactive steam.

2 of 7
of stories this month > Get unlimited stories
You've read  of  free articles. Subscribe to continue.

Unlimited digital access $11/month.

Get unlimited Monitor journalism.