Definition of non-rhotic in English:

non-rhotic

adjective

Phonetics

单词	non-rhotic
释义	Definition of non-rhotic in English: non-rhotic adjective Phonetics Relating to or denoting a dialect of English (such as Standard British English) in which r is pronounced in prevocalic position only. 〔语音〕r音只在元音前才发出的英语方言的（标准英式英语就是r音只在元音前才发出的） Example sentencesExamples Both in fact were non-rhotic, while the majority of Americans speak with rhotic accents. You see, there are two great families of dialects in modern English: the rhotic ones and the non-rhotic ones. In the seventeenth century, most of England was rhotic, but non-rhotic speech was common in the southeast, near London. The following discussion presupposes a non-rhotic dialect of English, that is, a dialect in which r can only occur in syllable-onset position. Linking r, common in many non-rhotic dialects of English, occurs in New England.
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