Definition of humorology in US English:

humorology

noun

rare
  • 1The study or science of humour.

  • 2The theory that health, disease, and temperament are determined by the four humours of the body, or by bodily fluids generally; = humoralism. Also: the study of the relationship between the humours and health and temperament. Now historical.

Origin

Mid 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From humour + -ology.

Pronunciation

humorology

/ˌhjuːməˈrɒlədʒi/