| 单词 | pesticide |
| 释义 | pesticide (once / 6090 pages) n A pesticide is a bug-killing poison. You may have to resort to using a pesticide to battle the ants that have invaded your kitchen, even if you hate killing any creature. Pesticides are most often used to ward off insects or small animals living uninvited in a person's house, or in a garden or on a farm, when they are nibbling on plants or flowers. The Latin suffix cide means "killer," and in pesticide, it's combined with the English word pest, which means just what it sounds like — a troublesome annoyance. WORD FAMILYpesticide: pesticides USAGE EXAMPLESThe first pesticide to be tested will be propoxur, which is commonly used against fleas and other insects. Washington Post(Dec 30, 2016) Four minors died from chemical gas poisoning after a resident tried to fumigate a home in Amarillo, Texas with pesticide, fire officials told local media. Reuters(Jan 02, 2017) In the past, Western and local aid agencies regularly visited remote areas to spray pesticides and provide other assistance to prevent such diseases. Washington Post(Dec 29, 2016) n a chemical used to kill pests (as rodents or insects) Hypo|Hyper acaracide, acaricide a chemical agent used to kill mites arsenicala pesticide or drug containing arsenic insect powder, insecticidea chemical used to kill insects pediculicidea chemical agent that kills lice phosphinea colorless gas with a strong fishy smell; used as a pesticide scabicidea drug that destroys the itch mite that causes scabies sheep dipa liquid mixture containing pesticides in which sheep are dipped to kill parasites spraya pesticide in suspension or solution; intended for spraying pyrethrummade of dried flower heads of pyrethrum plants DDT, dichlorodiphenyltrichloroethanean insecticide that is also toxic to animals and humans; banned in the United States since 1972 larvacidean insecticide that kills the larvae of insects lead arsenatea poisonous white solid (Pb3[AsO4]2) used as an insecticide lindanea white crystalline powder used as an agricultural insecticide Malathiona yellow insecticide used as a dust or spray to control garden pests and house flies and mites organophosphatean insecticide that interferes with an insect's nervous system parathiona colorless and odorless toxic oil used as an insecticide Paris greena toxic double salt of copper arsenate and copper acetate rotenonea white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube chemical, chemical substance material produced by or used in a reaction involving changes in atoms or molecules |
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