Chinese language
Vocabulary

The entire Chinese character corpus since antiquity comprises well over 50,000 characters, of which only roughly 10,000 are in use and only about 3,000 are frequently used in Chinese media and newspapers. However, Chinese characters should not be confused with Chinese words. Because most Chinese words are made up of two or more characters, there are many more Chinese words than characters. A more accurate equivalent for a Chinese character is the morpheme, as characters represent the smallest grammatical units with individual meanings in the Chinese language.

Estimates of the total number of Chinese words and lexicalized phrases vary greatly. The Hanyu Da Zidian, a compendium of Chinese characters, includes 54,678 head entries for characters, including oracle bone versions. The Zhonghua Zihai (1994) contains 85,568 head entries for character definitions and is the largest reference work based purely on character and its literary variants. The CC-CEDICT project (2010) contains 97,404 contemporary entries including idioms, technology terms, and names of political figures, businesses, and products. The 2009 version of the Webster's Digital Chinese Dictionary (WDCD), based on CC-CEDICT, contains over 84,000 entries.

The most comprehensive pure linguistic Chinese-language dictionary, the 12-volume Hanyu Da Cidian, records more than 23,000 head Chinese characters and gives over 370,000 definitions. The 1999 revised Cihai, a multi-volume encyclopedic dictionary reference work, gives 122,836 vocabulary entry definitions under 19,485 Chinese characters, including proper names, phrases, and common zoological, geographical, sociological, scientific, and technical terms.

The 2016 edition of Xiandai Hanyu Cidian, an authoritative one-volume dictionary on modern standard Chinese language as used in mainland China, has 13,000 head characters and defines 70,000 words.
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