Definition of odorosity in US English:

odorosity

noun

rare
  • The quality or condition of being odorous; odorousness.

Origin

Late 18th century; earliest use found in Erasmus Darwin (1731–1802), physician and natural philosopher. From odorous + -ity: see -osity.

Pronunciation

odorosity

/ˌəʊdəˈrɒsɪti/