Definition of detumescence in English:

detumescence

noun

mass noun
  • The process of subsiding from a state of tension, swelling, or (especially) sexual arousal.

Origin

Late 17th century: from Latin detumescere, from de- ‘down, away’ + tumescere ‘to swell’.

Pronunciation

detumescence

/ˌdiːtjʊˈmɛs(ə)ns/