A heavy silvery toxic univalent and bivalent metallic element, the only metal that is liquid at ordinary temperatures
English: mercury, quicksilver, hydrargyrum, Hg, atomic number 80
quicksilverEnglish
Hg, atomic number 80, erratic, fickle, hydrargyrum
Noun
Adjective
Liable to sudden unpredictable change
English: erratic, fickle, mercurial, quicksilver(a)