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Quick Reference: Dictionaries and Thesauri

A quick reference guide with resources such as almanacs, dictionaries, encyclopedias, maps, quotations, statistics, conversion tables, consumer help and more, including resources in the BC3 Library and on the Internet, complied by the BC3 Librarians.


A dictionary contains a list of words, usually in alphabetical order, along with the definition or meaning of each word. Examples of usage, pronunciations, and translations may also be included.

Dictionaries in the BC3 Library

Dictionaries on the Web


A thesaurus, sometimes referred to as a synonym dictionary, is a reference book or electronic resource used to find synonyms, and sometimes antonyms, of words. 

Thesauri in the BC3 Library

Dictionary/Thesaurus Combos on the Web

Special Dictionaries

Special dictionaries are used for more specific purposes. For example, bilingual dictionaries are used to translate words from one language to another, and medical and legal dictionaries may be used to assist with learning terminology related to those specific fields.

Special Dictionaries in the BC3 Library

Special Dictionaries on the Web