noun
1.
a bomb that can be set to explode at a particular time
2.
a situation that is likely to cause serious problems in the future :
Rising unemployment is a political time bomb for the government.
noun
1.
a bomb that can be set to explode at a particular time
2.
a situation that is likely to cause serious problems in the future :
Rising unemployment is a political time bomb for the government.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005