nonce
adjective /nɒns/
/nɑːns/
- a nonce word or expression is one that is invented for one particular occasion
（词语）临时造的，偶用的，只使用一次的 词源Middle English: from then anes ‘the one (purpose)’ (from then, obsolete oblique form of the + ane ‘one’ + -s), altered by wrong division; compare with newt and nickname.