1. 静止：quiescence 静止 | quiescency 静止 | quiescent 静止的

2. 静止/静寂/沉默：quiescence /静止/不活动/寂静/ | quiescency /静止/静寂/沉默/ | quiescent /静止的/

noun

1. quiet and inactive restfulness

Synonym: quiescencedormancysleeping

2. a state of quiet (but possibly temporary) inaction

e.g. the volcano erupted after centuries of dormancy

Synonym: dormancyquiescence