Quicksilver Meaning

There are 2 meaning(s) for word Quicksilver

Meaning 1 : liable to sudden unpredictable change

    Example : a quicksilver character, cool and willful at one moment, utterly fragile the next

    Synonyms : erratic,  fickle,  mercurial
Meaning 2 : a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

    Synonyms : atomic number 80,  hg,  hydrargyrum,  mercury