— malpractitioner /mal'prak tish"euh neuhr/ , n.
/mal prak"tis/ , n.
1. Law. failure of a professional person, as a physician or lawyer, to render proper services through reprehensible ignorance or negligence or through criminal intent, esp. when injury or loss follows.
2. any improper, negligent practice; misconduct or misuse.
[ 1665-75; MAL- + PRACTICE ]