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.
The nearest of these countries include Indonesia, Papua New Guinea, New Zealand, New Caledonia, the Solomon Islands and Vanuatu, which are all island nations or territories in the South-East Asian and Asia-Pacific regions.ustralia's boundaries with its nearest Asia-Pacific neighbours are determined by Australia's '200 nautical mile' (371 kilometre) Exclusive Economic Marine Zone (EEMZ) or Australian Fishing Zone (AFZ) which is the second largest Exclusive Economic Marine Zone in the world after the United States.