yperite

n. mustard gas (Chemistry)

The sulfur mustards, of which mustard gas is a member, are a class of related cytotoxic, vesicant chemical warfare agents with the ability to form large blisters on exposed skin. In their pure form most sulfur mustards are colorless, odorless, viscous liquids at room temperature. When used as warfare agents they are usually yellow-brown in color and have an odor resembling mustard plants, garlic or horseradish.
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n. yperite, mustard gas (Chemistry), poisonous substance which causes scorching and burns on the skin (used in chemical weapons)

yperite /'i:pərait/
danh từ Yperit (hơi độc)
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IPRITE. YPRITE