phototypesetter Syllabification: (pho·to·type·set·ter)Pronunciation: /ˌfōtōˈtīpˌsetər/Definition of phototypesetter noun a machine for photocomposition. Derivatives phototypesetPronunciation: /-ˌset/ adjective phototypesettingPronunciation: /-ˌsetiNG/ noun phototypesetter in other Oxford dictionaries Definition of phototypesetter in the British & World English dictionary