Definition of maleoyl in US English:

maleoyl

noun

Chemistry
  • The cis form of the divalent radical —CO·CH:CH·CO— derived from maleic acid, which is isomeric with fumaroyl. Usually attributive or as a formative element in chemical names.

Origin

1950s; earliest use found in Chemical Abstracts. From male- + -oyl.

Pronunciation

maleoyl

/ˈmalɪəʊɪl/