1. Types of Dictionaries 一班 何景云 徐 爽

2. Contents 1.Monolingual and Bilingual Dictionaries 2.Linguistic and Encyclopedic Dictionaries 3.Unabridged, Desk and Pocket Dictionaries 4.Specialized Dictionaries

3. 1.Monolingual and Bilingual Dictionaries Monolingual dictionaries are written in one language. LDCE 朗文当代英词典 Bilingual dictionaries involve two languages. CED 英汉词典

4. 2.Linguistic and Encyclopedic Dictionaries Linguistic dictionaries （语文词典） aim at defining words and explaining their usages in language. Encyclopedic （百科词典） dictionaries have the characteristics of both linguistic dictionaries and encyclopedia （百科全书）.

5. 3.Unabridged, Desk and Pocket Dictionaries Large in scope and size, containing at least 200,000 headwords The best-known unabridged dictionary is Webster’s Third New International Dictionary(450,000) Medium-sized ones ranging from 50,000 to150,000 About 50,000 entries or fewer

6. 4. Specialized Dictionaries Specialized dictionaries concentrate on a particular area of language or knowledge.