四呼

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Revision as of 12:10, 10 October 2005

四呼 是近现代汉语音韵学的概念，用以指称近现代汉语的介音系统。四呼指开口呼、合口呼、齐齿呼和撮口呼。举普通话为例，韵母不是i、u、y，又没有i、u、y介音的，称为开口呼；u或有u介音的韵母称为合口呼；i或有i介音的韵母称为齐齿呼；y或有y介音的韵母称为撮口呼。近现代汉语的四呼与中古汉语的等呼有联系。大致来说，开口呼对应中古的开口一二等；合口呼对应合口一二等；齐齿呼对应开口二三四等；撮口呼对应合口三四等。

Category:汉语音韵学