1. (noun) (physics) a system designed to prevent the accidental release of radioactive material from a reactor

• natural philosophy
• physics

1. (noun) a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully

• policy

2. (noun) (physics) a system designed to prevent the accidental release of radioactive material from a reactor

• system

3. (noun) the act of containing; keeping something from spreading

• restraint

1. (noun) the act of containing; keeping something from spreading

• ring containment

1. (noun) a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully

• arrest
• check
• contain
• hold back
• stop
• turn back

2. (noun) the act of containing; keeping something from spreading

• arrest
• check
• contain
• hold back
• stop
• turn back