English Dictionaries and Thesauri

Directories of Dictionaries and Thesauri

• The Glossarist, a searchable directory of English glossaries and topical dictionaries

General English Dictionaries

• The American Heritage Dictionary of the English Language, third edition, 1996, from Bartleby.com
• Merriam-Webster OnLine
• Merriam-Webster Word Central
• OneLook Dictionaries, indexes multiple dictionaries
• Wordsmyth: the Educational Dictionary-Thesaurus, a standard dictionary of American English, integrating a thesaurus within its structure, by Robert Parks

Acronyms

• Acronym Finder
• Acronyms, Abbreviations and Definitions Found in E-Mail Messages and Newsgroup Postings, by Patrick Amato

Thesauri

• Roget’s II: The New Thesaurus, third edition, 1996, from Bartleby.com
• Roget's Thesaurus of English Words and Phrases, based on the 1911 edition from Project Gutenberg
• Roget's Thesaurus Search Form, ARTFL Project- based on 1911 edition

Library and Book Related Glossaries

• Bookbinding and the Conservation of Books: A Dictionary of Descriptive Terminology, by Matt T. Roberts and Don Etherington; part of Stanford Libraries' project CoOL
• English-Spanish / Spanish-English Language Resources for Library and Information Science Professionals, by Tony Lozano, University of Granada

Computing Dictionaries

• Dictionary of PC Hardware and Data Communications Terms, by Mitchell Shnier; an O'Reilly publication
• ILC Glossary of Internet Terms, Internet Literacy Consultants
• Netdictionary, dictionary of technical, cultural, and humorous terms related to the Internet
• NetLingo, dictionary of Internet terms
• Search Engine Terms, glossary compiled for I-Search
• Whatis.com

Other Specialized Dictionaries

• ArtLex, a dictionary of visual art
• Campbell R. Harvey's Hypertextual Finance Glossary
• Medicinenet.com
• The Semantic Rhyming Dictionary, by Doug Beeferman