SYNTHESISE Meaning of SYNTHESISE in English synthesis|e, synthesiz|e BrE AmE ˈsɪn t θ ə saɪz -ɪ- ▷ synthesis|ed d▷ synthesis|er/s ə/z AmE \ ə r/z▷ synthesis|es ɪz əz ▷ synthesis|ing ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012