Definition of metaldehyde
: a crystalline compound (CH3CH0)4 that is a polymer of acetaldehyde and is used as a lure and poison for snails and slugs
Origin of metaldehyde
probably from meta- + aldehyde
First Known Use: 1841
Medical Definition of metaldehyde
: 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
Learn More about metaldehyde
Medical Dictionary: Definition of "metaldehyde"
Seen and Heard
What made you want to look up metaldehyde? Please tell us where you read or heard it (including the quote, if possible).