helio- combining form
▶ with stress-neutral suffix ¦hiːl i əʊ AmE -oʊ — heliocentric ˌhiːl i əʊ ˈsentr ɪk ◂ AmE -i oʊ- BrE AmE
▶ with stress-imposing suffix ˌhiːl i ˈɒ+ AmE -ˈɑː+ — heliometer ˌhiːl i ˈɒm ɪt ə -ət ə AmE -ˈɑːm ət̬ ə r BrE AmE
helio- combining form
▶ with stress-neutral suffix ¦hiːl i əʊ AmE -oʊ — heliocentric ˌhiːl i əʊ ˈsentr ɪk ◂ AmE -i oʊ- BrE AmE
▶ with stress-imposing suffix ˌhiːl i ˈɒ+ AmE -ˈɑː+ — heliometer ˌhiːl i ˈɒm ɪt ə -ət ə AmE -ˈɑːm ət̬ ə r BrE AmE
Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012