"quiescency" in the noun sense
1. dormancy, quiescence, quiescency
a state of quiet (but possibly temporary) inaction
"the volcano erupted after centuries of dormancy"
2. quiescence, quiescency, dormancy, sleeping
quiet and inactive restfulness
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License