HeilongjiangPronunciation: /ˌheɪlʊŋdʒɪˈaŋ/ (also Heilungkiang /ˌheɪlʊŋkɪˈaŋ/)Definition of Heilongjiang a province of NE China, on the Russian frontier; capital, Harbin. Heilongjiang in other Oxford dictionaries Definition of Heilongjiang in the US English dictionary