单词	metaldehyde
释义	metaldehyde noun met·​al·​de·​hyde ˌmet-ˈal-də-ˌhīd  : a crystalline compound (CH3CHO)4 that is a polymer of acetaldehyde and is used as a lure and poison for snails and slugs Example Sentences Recent Examples on the Web The properties where the snails were found will be treated with the slug and snail killer metaldehyde over the next 18 months and the area will be monitored for two years after the last snail is found, per Field and Stream’s Ashley Stimpson. Margaret Osborne, Smithsonian Magazine, 21 July 2022 According to Chitty, FDACS plans to spend three years eradicating the population in Pasco County, using the pesticide metaldehyde to treat the soil. Zoe Sottile, CNN, 3 July 2022 Word History Etymology probably from meta- + aldehyde First Known Use 1841, in the meaning defined above Medical Definition metaldehyde noun met·​al·​de·​hyde ˌmet-ˈal-də-ˌhīd  : a crystalline compound (C2H4O)n that is a cyclic oligomer of acetaldehyde used as a solid fuel for portable stoves and as a lure and poison for snails
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