calomel

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a tasteless colorless powder used medicinally as a cathartic
• Syn:
mercurous chloride
• Hypernyms:
chloride
• Substance Holonyms:
blackwash, black lotion
• Substance Meronyms:
mercury, quicksilver, hydrargyrum, Hg, atomic number 80