单词 | pesticide |
释义 | pesticide[ pes-tuh-sahyd ] / ˈpɛs təˌsaɪd / SEE SYNONYMS FOR pesticide ON THESAURUS.COM nouna chemical preparation for destroying plant, fungal, or animal pests. Also called biocide. Origin of pesticideFirst recorded in 1935–40; pest + -i- + -cide OTHER WORDS FROM pesticidepes·ti·cid·al, adjectiveWords nearby pesticidePestalozzi, pester, pester power, pesthole, pesthouse, pesticide, pestiferous, pestilence, pestilent, pestilential, pestle Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pesticideBritish Dictionary definitions for pesticidepesticide / (ˈpɛstɪˌsaɪd) / nouna chemical used for killing pests, esp insects and rodents Derived forms of pesticidepesticidal, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for pesticidepesticide [ pĕs′tĭ-sīd′ ] n.A chemical used to kill pests, especially insects. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for pesticidepesticide [ pĕs′tĭ-sīd′ ] A chemical used to kill harmful animals or plants. Pesticides are used especially in agriculture and around areas where humans live. Some are harmful to humans, either from direct contact or as residue on food, or are harmful to the environment because of their high toxicity, such as DDT (which is now banned in many countries). Pesticides include fungicides, herbicides, insecticides, and rodenticides. See more at fungicide herbicide insecticide. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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