Late 19th century; earliest use found in Frederick Thomas Roberts (1839–1918). From papula + -ation. Compare post-classical Latin papulare to produce pimples.
Definition of papulation in US English:
papulation
nounˌpapjʊˈleɪʃn
Medicine
The formation of papules.
Origin
Late 19th century; earliest use found in Frederick Thomas Roberts (1839–1918). From papula + -ation. Compare post-classical Latin papulare to produce pimples.