Definition of "ulcerate" in English

adjective

1. (palynology, of a pollen grain) Having an ulcus, a rounded pore-like aperture, at one or both poles.

verb

1. (medicine, transitive) To cause an ulcer to develop.

   • The surface was ulcerated by trauma.

2. (medicine, intransitive) To become ulcerous.

   • The tissue ulcerated shortly after exposure.