To overlay with quicksilver.
To treat with quicksilver.
Unpredictable, erratic or fickle; mercurial.
The metal mercury.
An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
Something or someone reliable or dependable
Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy
Such that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't