noun
also rönt·gen·iza·tion ˌ ̷ ̷ ̷ ̷ə̇ˈzāshən, -ˌīˈz-
( -s )
Etymology: International Scientific Vocabulary roentgen-, röntgen- (from Wilhelm Conrad Röntgen ) + -ization
1. : the act or process of using X rays
2. : discoloration (as of glass) by prolonged action of X rays