ACTINOMETER Meaning of ACTINOMETER in English actinometer BrE AmE ˌækt ɪ ˈnɒm ɪt ə § ˌ•ə-, -ət ə AmE -ˈnɑːm ət̬ ə r▷ actinometer|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012