Freebase(0.00 / 0 votes)Rate this definition: Quinine. Quinine is a natural white crystalline alkaloid having antipyretic, antimalarial, analgesic, and anti-inflammatory properties and a bitter taste. It is a stereoisomer of quinidine which, unlike quinine, is an antiarrhythmic.
Papua New Guinea is the closest country to Australia. Australia's northern tip, Cape York, is about 150km from Papua New Guinea.Papua New Guinea is followed, in order, by Eas â¦ t Timor, Indonesia, New Caledonia, Philippines, Brunei then New Zealand.Australia is an island continent, it's nearest neighbors are New Zealand, Papua New Guinea and Indonesia.apua New Guinea is the closest country to Australia. Australia's northern tip, Cape York, is about 150km from Papua New Guinea.
It lies in the state of South Australia 112 km (70 mi) southwest of Adelaide. Its closest point to the mainland is Snapper Point in Backstair Passage which is 13.5 km (8.4 mi) from the Fleurieu Peninsula.angaroo Island separated from mainland Australia around 10,000 years ago, due to rising sea level after the last glacial period. Known as Karta (Island of the Dead) by the mainland Aboriginal tribes, the existence of stone tools and shell middens show that Aboriginal people once lived on Kangaroo Island.