(~s)
1.
If there is ~ in a nuclear reactor, the fuel rods start melting because of a failure in the system, and radiation starts to escape.
Emergency cooling systems could fail and a reactor ~ could occur.
N-VAR
2.
The ~ of a company, organization, or system is its sudden and complete failure. (JOURNALISM)
Urgent talks are going on to prevent the market going into financial ~ during the summer.
N-UNCOUNT: with supp