Hg

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a heavy silvery toxic univalent and bivalent metallic element;
the only metal that is liquid at ordinary temperatures
• Syn:
mercury, quicksilver, hydrargyrum, atomic number 80
• Derivationally related forms:
mercurial (for: mercury), mercuric (for: mercury), mercurous (for: mercury)
• Hypernyms:
metallic element, metal
• Substance Holonyms:
cinnabar, calomel, mercurous chloride