
In political science and political history, the term power vacuum is an analogy between a physical vacuum, to the political condition `when someone has lost control of something and no one has replaced them.` The situation can occur when a government has no identifiable central power or authority. The physical analogy suggests that in a power va.....
Found on
http://en.wikipedia.org/wiki/Power_vacuum

A complete lack of a political leader.
Example: After the death of the President, there was a power vacuum in the country.
Found on
http://www.bbc.co.uk/skillswise/glossary/
No exact match found.