Usage examples (3)

• (lachrymatory, sternutatory, and, above all, vesicatory, of which yperite is the most dangerous); second, asphyxiants of which the most deadly is phosgene; third, those...
• We saw the minister visiting a factory and pinning the Legion of Honour on to the breast of a worker blinded by yperite.
• Without disparaging our own efforts, we must pay a tribute to the achievement of the French yperite producing and filling factories.