Definition of pinguescence in English:

pinguescence

Pronunciation /pɪŋˈɡwɛsns/

noun

literary, humorous
  • The process of becoming fat: fatness, obesity; (in extended use) oiliness, unctuousness.

Origin

Early 19th century; earliest use found in Samuel Cooper (1780–1848), surgeon and writer. From pinguescent see -ence.