Also found in: Medical.
pasteurism(ˈpæstəˌrɪzəm; -stjə-; ˈpɑː-)
nAlso called: Pasteur treatment
1. (Medicine) a method of securing immunity from rabies in a person who has been bitten by a rabid animal, by daily injections of progressively more virulent suspensions of the infected spinal cord of a rabbit that died of rabies
2. (Medicine) a similar method of treating patients with other viral infections by the serial injection of progressively more virulent suspensions of the causative virus