| 单词 | defoliant |
| 释义 | defoliant (once / 115876 pages) n WORD FAMILY defoliant: defoliants USAGE EXAMPLESOne is 2,4-D, an ingredient in Agent Orange, the infamous Vietnam War defoliant. New York Times(Oct 29, 2016) He has Parkinson’s disease, very likely due to his exposure to the chemical defoliant Agent Orange during the year he served with the U.S. Washington Times(May 07, 2016) A tank truck driver was preparing a cotton defoliant by mixing diesel oil with pentachlorophenol. Rachel Carson, Silent Spring(1962) n a chemical that is sprayed on plants and causes their leaves to fall off Hyper chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
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