(medicine) Surface antigen of the hepatitis B virus (HBsAg).

plural of Australia antigen

A region in the Northern Territory of Australia, centred on Alice Springs.

A federal territory in south-eastern Australia in which the country's capital, Canberra, is located.

A person from the country of Australia or of Australian descent. / A person from the continent of Australia. / A language of the country or continent of Australia; Australian (Australian English).

Of, from, or pertaining to Australia, the Australian people or Australian languages.

(US) Alternative form of Australianise

(transitive) To make Australian as to custom, culture, or style. / (transitive) To localise a medium for sale or use in Australia.

A variety of football devised in Australia.

The form of the English language used in Australia.