Definition of metaldehyde in English:

metaldehyde

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

Entry from British & World English dictionary

noun

[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

Origin

mid 19th century: from meta- + aldehyde.

Definition of metaldehyde in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
adjective
turned backward