ISOCHROMATIC Meaning of ISOCHROMATIC in English isochromatic BrE AmE ˌaɪs ə ʊ krə ʊ ˈmæt ɪk ◂ AmE \ ˌaɪs ə kroʊ ˈmæt̬ ɪk ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012