Definition of malondialdehyde in US English:

malondialdehyde

noun

Chemistry
  • The aldehyde, CH₂(CHO)₂, of malonic acid, which occurs naturally as a breakdown product of lipid hydroperoxides and has mutagenic and cytotoxic properties owing to its ability to cross-link various molecules.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From malon- + di- + aldehyde.

Pronunciation

malondialdehyde

/ˌmaləndʌɪˈaldɪhʌɪd/