The Collaborative International Dictionary
Chronical
Chronical \Chron"ic*al\, a. Chronic.
Partly on a chronical, and partly on a topical method.
--J. A.
Alexander.
Wiktionary
chronical
a. chronic
Usage examples of "chronical".
Certainly, in the meantime new techniques that could be used against incurable diseases and chronical affections will appear.