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 continent of Australia comprises Tasmania, Papua New Guinea,  Timor, and neighboring islands, as well as the country of Australia  itself. The continent of Australia con â¦ tains 4 countries-Australia, Papua New Guinea, East Timor and portions of Indonesia.ustralia is an island continent of 7,686,850 sq km. The country of Australia fits exactly into the continent of Asutralia. Some may â¦ argue that the principality of Hutt River is a country.