1. 同 mercury
Quicksilver is the same as mercury .

2. （动作、变化）极快的；变化无常的;变幻莫测的
Quicksilver movements or changes are very fast and unpredictable.

1. a heavy silvery toxic univalent and bivalent metallic element
the only metal that is liquid at ordinary temperatures

Synonym: mercuryhydrargyrumHgatomic number 80