Added 10 October 2026 initialization noun Categories: LanguageRare Words noun ! Definition from WordNet 3.1, Princeton University. More about initialization at Wordnik → Where our words come from → (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position. Related Words: initiateinitializerinitialisationstartupstartrestartrebootbootstrappingbootupbootableinit Back to today's word