Definition of metaldehyde in English:


Line breaks: met|al¦de|hyde
Pronunciation: /mɪˈtaldɪhʌɪd


[mass noun] Chemistry
  • A solid made by polymerizing acetaldehyde, used in slug pellets and as a fuel for portable stoves.
    • Chemical formula: C4H4O4(CH3)4
    More example sentences
    • Slug pellets, based on metaldehyde, are cheap and effective.
    • Chemical slug pellets and baits that contain metaldehyde are widely available commercially, however label directions must be followed carefully.
    • Several bait formulations of metaldehyde are labeled for use on soybean for slug control.


mid 19th century: from meta- + aldehyde.

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