Definition of oxindole in US English:

oxindole

noun

Chemistry
  • A colourless crystalline compound, C₈H₇NO, having a structure similar to indole, with an oxygen atom attached to the pyrrole ring.

Origin

Late 19th century; earliest use found in Henry Watts (1815–1884), chemist. From oxy- + indole.

Pronunciation

oxindole

/ɒkˈsɪndəʊl/