Rime dictionary
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- This article is about a unique type of Chinese dictionary. For the type of reference work used in poetry, see Rhyming dictionary.
A rime dictionary, rhyme dictionary, or rime book (translated from Chinese 韻書/韵书 pinyin: yùnshū), is an ancient type of Chinese dictionary which collates characters by rime and tone, instead of radical. It should not be confused with a rime table , which charts syllables according to onset and rime grade as well as rime and tone.
Historical records suggest that the earliest rime dictionary is one called Shenglei (聲類 lit. "sound types") by Li Deng (李登) of the Three Kingdoms period. However, the book did not survive. The first extant rime dictionary is Qieyun from the Sui Dynasty. The later Guangyun and Jiyun are based on Qieyun.
In a rime dictionary, characters are first divided into four groups according to their tone names. Traditionally the group of the "level tone" (平聲) occupies two fascicles (卷 juan, "scroll", "volume"). Within each of the four tonal groups, characters are furthur divided into differet sub-groups according to their rimes. These sub-groups are called yun (韻) or yunmu (韻目 lit. "rime eye") or less frequently yunbu (韻部 lit. "rime category"). Characters within each yun have the same tone and almost-identical rime (the slight difference is due to the presence or absence of the glide). For example, characters within the 東 yun all have the "level tone", and either the rime uŋ or the rime juŋ.
A rime dictionary primarily serves the composition of poems (the Imperial Examination in the Tang Dynasty had the examiners compose poems). Versifiers rhyme a poem according to the standard rime book (characters within the same yun ryhme with each other), not the sounds of their own dialect or those of the "mandarin" spoken at their time. For many generations of Chinese versifiers, the standard work to consult is the so-called Pingshuiyun (平水韻) first compiled during the Jin Dynasty, a simplified version of Guangyun which reduced the 206 yun into 106.
Unlike a rhyming dictionary in the West, a Chinese rime dictionary also provides meanings and other lexical information. The pronunciation in a rime dictionary is marked by fanqie.
[edit] Name
In this context, the spelling "rime" is often used instead of the more common "rhyme" in order to distinguish between "rime" in the sense of the rhyming portion of a syllable as opposed to the concept of poetic rhyme.
