单词 | calomel |
释义 | Word Frequency calomel(ˈkæləˌmɛl, -məl) noun a colourless tasteless powder consisting chiefly of mercurous chloride, used medicinally, esp as a cathartic. Formula: Hg2Cl2 Word origin C17: perhaps from New Latin calomelas (unattested), literally: beautiful black (perhaps so named because it was originallysublimed from a black mixture of mercury and mercuric chloride), from Greek kalos beautiful + melas black |
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