Definition of Australianism in US English:

Australianism

noun

  • See Australian

    • ‘That most Australia of Australianisms, ‘fair dinkum’ has been baffling our finest linguo-cosmologists for decades.’
    • ‘There are Australianisms of language and tone, Australian touchstones of reference, that should be consciously preserved.’
    • ‘Personally it sounds like one of those great Australianisms, where a word has been borrowed from an act of parliament and ended up in the vernacular.’
    • ‘It was a strange collection of abbreviations and Australianisms which I had totally forgotten in the intervening years.’
    • ‘The Australian National Dictionary is a historical dictionary of some 10,000 Australianisms.’

Pronunciation

Australianism

/-ˌnizəm/