The standard spelling of 'ionize' in Australian, New Zealand, and Oxford-convention British English — to convert an atom or molecule into an ion by adding or removing electrons. The '-ise' suffix follows the Commonwealth and Oxford spelling conventions for verbs that use '-ize' in American English. Both are correct in their respective traditions; 'ionise' is the one you'd see in an Australian chemistry textbook.
Ionise means: The standard spelling of 'ionize' in Australian, New Zealand, and Oxford-convention British English - to convert an atom or molecule into an ion by adding or removing electrons. The '-ise' suffix. It is mainly New Zealand English and may not be understood outside that context. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour.
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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Aussie and Kiwi vocabulary — bogan, daggy, brekkie, sheila, bach, jandals — the whole Antipodean lexicon, including outback dialect, surf and beach culture, and Sydney/Melbourne street slang.
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Ultraviolet radiation can ionise the upper atmosphere and affect radio wave propagation.
Ionise means: The standard spelling of 'ionize' in Australian, New Zealand, and Oxford-convention British English - to convert an atom or molecule into an ion by adding or removing electrons. The '-ise' suffix. It is mainly New Zealand English and may not be understood outside that context. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour.
ionise means: The standard spelling of 'ionize' in Australian, New Zealand, and Oxford-convention British English - to convert an atom or molecule into an ion by adding or removing electrons.. Register: informal, New Zealand English. Often not understood outside its region; gloss the word on first use when writing for an international audience. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself.
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(Australia, New Zealand, Oxford) ionize.
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