Hollerith, Herman Syllabification: (Hol·ler·ith, Herman)Pronunciation: /ˈhōləˌriTH/Definition of Hollerith, Herman (1860–1929), US engineer. He invented a tabulating machine using punched cards for computation, an important precursor of the electronic computer, and he founded a company that later expanded to become the IBM Corporation. Hollerith, Herman in other Oxford dictionaries Definition of Hollerith, Herman in the British & World English dictionary