(1858–1913), French-born German engineer, inventor of the diesel engine; full name Rudolf Christian Karl Diesel. In 1892 he patented a design for a new, more efficient internal combustion engine and developed it, exhibiting the prototype in 1897.
Definition of Diesel, Rudolf in US English:
Diesel, Rudolf
proper nounˈdēzəl
(1858–1913), German engineer; born in France; full name Rudolf Christian Karl Diesel. He invented the diesel engine in the late 19th century.