The Collaborative International Dictionary
Recidivation
Recidivation \Re*cid`i*va"tion\
(r[-e]*s[i^]d"[i^]*v[=a]"sh[u^]n), n. [LL. recidivatio.]
A falling back; a backsliding.
--Hammond.
Wiktionary
recidivation
n. relapse of a disease or a symptom.