Definition of leprosity in US English:

leprosity

noun

rare
  • 1Leprosy.

  • 2Alchemy. Impurity of a metal; †an instance of this, an impurity (obsolete). Compare "leprous". Now historical.

  • 3Botany. Scaliness (of a plant part). Compare leprose, "leprous". rare.

Origin

Late Middle English; earliest use found in John Capgrave (1393–1464), prior of Bishop's Lynn, theologian, and historian. From post-classical Latin leprositat-, leprositas leprosy from leprosus + classical Latin -tās.

Pronunciation

leprosity

/lɛˈprɒsɪti/