Quicksilver - Definition
quicksilver
adj 1: liable to sudden unpredictable change; "erratic
behavior"; "fickle weather"; "mercurial twists of
temperament"; "a quicksilver character, cool and willful
at one moment, utterly fragile the next" [syn: erratic,
fickle, mercurial, quicksilver(a)]
n 1: a heavy silvery toxic univalent and bivalent metallic
element; the only metal that is liquid at ordinary
temperatures [syn: mercury, quicksilver, hydrargyrum,
Hg, atomic number 80]