Definition of risperidone in US English:

risperidone

noun

Pharmacology
  • A drug that is a combined serotonin and dopamine receptor antagonist, used in the treatment of psychotic disorders.

Origin

1980s. From ris- (of unknown origin) + -perid- + -one.

Pronunciation

risperidone

/rɪsˈpɛrɪdəʊn/