Other spellings (US) synchronization Word parts synchronise + -ation Pronunciation IPA (key): /ˈsɪŋ.krə.naɪzˈeɪʃən/ Audio (US)(file) Noun Singular synchronisation Plural synchronisations (countable & uncountable) Synchronisation is the state of being synchronisedWikiwand - on Seamless Wikipedia browsing. On steroids.