Dictionaries

Specialty and Language Dictionaries

• Foreign Language Online Dictionaries
• Grammar and Language Courses
• Industry Specific Dictionaries

Multiple Dictionary Search Engines

DICT Development Group Online Dictionary Database Query 300,000 words from public domain dictionary and encyclopedia databases.

Enter word:

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One-Look Dictionaries
Search the One-Look Dictionaries for 3,455,148 words in 751 online dictionaries. Now have the definitions translated into 4 different languages.

Enter word: all dictionary sites (slow) translations definitions in English definitions in French definitions in German definitions in Italian definitions in Spanish

HINTS: Adding wild cards expands the search. (* = any number of characters and ? = exactly one character). For example, "tomo*ow", "tomo??ow" or "tomor*" will find "tomorrow".

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Foreignword Dictionary Search-To and from 70 different languages!

Afrikaans Albanian Arabic Basque Belarusan Breton Bulgarian Catalan Cebuano Chechen Chinese Chinese (pinyin) Chinese (yale) Croatian Czech Danish Dutch English Esperanto Estonian Farsi Finnish French Frisian Galician Georgian German German (austr.) Greek Greek (ancient) Hawaiian Hebrew Hindi Hungarian Icelandic Ilongo Indonesian Irish Italian Japanese Khmer Korean Latin Latvian Lithuanian Malay Maori Norwegian Occitan Polish Portuguese Romanian Rotuman Russian Sanskrit Sardinian Serbian Slovak Spanish Swahili Swedish Tagalog Tamil Thai Tibetan Turkish Ukrainian Vietnamese Yiddish *Mono-lingual Afrikaans Albanian Arabic Basque Belarusan Bengali Breton Bulgarian Catalan Cebuano Chechen Chinese Chinese (pinyin) Chinese (yale) Croatian Czech Danish Dutch English Esperanto Estonian Farsi Finnish French Frisian Georgian German Greek Greek (ancient) Hawaiian Hebrew Hungarian Icelandic Ilongo Indonesian Irish Italian Japanese Khmer Korean Latin Latvian Lithuanian Malay Maori Mongolian Norwegian Occitan Persian Polish Portuguese Romanian Rotuman Russian Sanskrit Sardinian Serbian Slovak Slovenian Spanish Swahili Swedish Tagalog Tamil Thai Tibetan Turkish Ukrainian Urdu Vietnamese Welsh Yiddish      Enter term, select source and target languages and press "Go".

Thesauri and Other Vocabulary Aids

Need something besides the definition of a word? A synonym or antonym? Or are you looking for an abbreviation of a phrase? Do you need your own lexical database? We have them all.

Abbreviations & Acronyms

• A Dictionary of Quaternary Acronyms and Abbreviations
• Abbreviations.com
• Abbreviations of Chemical Compounds (Berlin)
• Academic Journal Abbreviations
• Acronym Finder (750,000+ acronyms)
• Agriculture Acronyms
• German-English Acronym Dictionary (Berlin)
• Medical Abbreviations
• Morgan Online -  Abbreviations
• The Internet Acronym Server
• The NUMA Dictionary of Derivatives Acronyms

Antonyms, Snonyms, Homophones and Anagrams

• An English Homophone Dictionary
• Synonym Dictionary 
• Synonyms & Antonyms
• The Anagram Dictionary

Thesauri

• Search Webster's New World Roget's A-Z Thesaurus on YourDictionary.com
• Roget's Thesaurus Headwords
• Roget's International Thesaurus of English Words and Phrases
• Bibliomania: "Soule's Synonymes"

Idioms and Phrases

• Search The American Heritage Dictionary of Idioms on YourDictionary.com
• The Phrase Finder

Quotations

• Search Webster's New World Dictionary of Quotations on YourDictionary.com
• Bartlett's Familiar Quotations (Project Bartleby)
• The Quotations Page

Lexicography and Lexical Databases

• Bibliomania—Free online literature and study guide
• Electronic Text Center (browse collections by language)
• ICAME Corpus Collection
• ICAME: International Computer Archive of Modern and Medieval English
• ISK Corpora (Brown Corpus: English, French, German)
• SIGLEX (A Special Interest Group on the Lexicon by The Association for Computational Linguistics)
• The British National Corpus
• The Oxford Text Archives
• Word Gumbo (Archive of public domain language resources) 
• WordNet - A Lexical Database for English

Pronunciation and Rhyming Dictionaries

• RhymZone Rhyming Dictionary and Thesaurus
• WriteExpress Online Rhyming Dictionary for Poetry and Songwriting
• Vocabulary of Alliteration

Writing Systems

• African Writing Systems
• Ancient Scripts.com - A Compendium of World-wide Writing Systems from Prehistory to Today
• Omniglot - Writing Systems & Languages of the World

Miscellany

• Grammar Books Recommended by YourDictionary.com
• Cliché Finder
• Dictionary of Difficult Words
• GlossPost - a discussion list for translators, interpreters, terminologists and technical writers.
• Online Conversion - Over 5,000 units and 50,000 Converisons
• Bible Search
• XE.com Universal Currency Converter on YourDictionary.com

Multilingual Dictionaries

• Index of All Language Dictionaries
• Afro-Asiatic Language Dictionaries
• Altaic Language Dictionary List
• Celtic Language Dictionaries
• Germanic Language Dictionaries
• Romance Language Dictionaries
• Slavic Language Dictionary List

General

Eurocosm UK - Multilingual Phrase Dictionary Find phrases in French, Itaiian, German, Spanish

English German French Italian Spanish Any of these words All of these words Enter searchword(s), choose language it is written in and search type, click on 'Search'

• Allwords.com (Dutch, French, German, Italian, Spanish)
• Arabic Translator (English, French, Turkish, German)
• Bulgarian Rechnik - Common words and expressions in 6 languages (Bulgarian, English, Italian, French, Portuguese, Spanish)
• DictSearch -  All-in-one Dictionary Search (translate from 69 source languages into 73 target languages) 
• From Language to Language
• IATE - The EU's multilingual term base
• Slovnik.cz - Multilingual Dictionary (English, German, French, Italian, Spanish, Russian, Latin, Czech)
• Slovnyk - The multilanguage Dictionary
• The Internet Dictionary Project
• Tritrans - Translate words between Spanish, English and Norwegian 

Agriculture

• Agrovoc Agricultural Database (multiple languages)
• Glossary of Terms for Agriculture and Precision Farming (German > English)

Architecture

• Architecture Topical Gloassary
• Illustrated Architecture Dictionary

Art

• ArtLex Art Dictionary
• Dictionary of Art Historians

Biology

• Birdwatching Terminology
• Horse Glossary

Chemistry

• Periodic Tables of the Elements in 300 Languages

Clothing

• Vocabulary of Basic Terms for Cataloguing Costume

Computing

• Queen Mary University of London's Language Dictionaries of Computing Terms

Construction

• Construction Dictionary and Glossary of Construction Terms

Cooking

• The Cook's Illustrated Dictionary: English, French, German, Spanish
• English to Spanish Cooking Terminology
• Food Lexicon: Danish, Dutch, English, French, and German
• Multilingual Gastronomical Glossary: English, French, German, Italian, Spanish

Education

• The European Education Thesaurus: Danish, German, Greek, English, Spanish, Finnish, French, Italian, Dutch, Portuguese, Swedish
• Continuing Education Glossary
• Glossary of Educational Terms
• Understanding Second Language Terminology

Engineering

• Electopedia: The World's Online Electrotechnical Vocabulary (multiple languages

Environment

• EPA Term of Environment: Glossaries, Abbreviations and Acronyms

Etymology

• The Tower of Babel: An International Etymological Database

Film

• Multilingual Online Film Dictionary: 19 languages

Finance

• Search Webster's New World Finance and Investment Dictionary online at YourDictionary.com

Fish

• Aquarium and Fish Dictionary
• Fish and Seafood Dictionary
• Tropical Fish Picture Dictioanry
• Online Seafood Watch Guide to Sustainable Seafood Choices

Geology

• Geoecological Dictionary (Russian to English)

Internet

• NETGLOS Glossary of Internet Terms (English and French)

Law

• Canadian multilingual glossary: English, Chinese(simplified, traditional), Farsi, Punjabi, Russian, Spanish, Vietnamese

Linguistics

• Electronic Glossary of Linguistics Terms (English and Spanish)

Marketing

• Marketingwörterbuch Deutsch-English-Français

Mathematics

• Finnish-English-Swedish Glossaries of Mathematics

Medicine

• Glossary of Medication Terms: Danish, Dutch, English, French, German, Italian, Portuguese, Spanish
• The European Multilingual Thesaurus on Health Promotion in 12 Languages (Large PDF file)

Music

• Cadenza Glossary - A Multi-lingual Dictionary of Musical Terms (English, French, German, Serbian)

Photography

• Phictionary - A Glossary of Photographic Terms (English, German, Italian, Spanish)

Religion

• Buddhism Glossary

Sailing and Shipping

• Index of Online Nautical Dictionaries

Sports

• Multilingual Dictionary of Recreational Diving and Underwater Activities (Dutch, French, German, Italian, Spanish)

Statistics

Telecommunications

• Terminology of Telecommunications (Arabic, Chinese, English, French, Russian, Spanish)

Textiles

• Textile Technical Dictionary (English, French, German, Spanish)
• Textile Dictionary (English, Italian, French, German)

Trade

• Foreign Trade Information System Dictionary of Trade Terms (English, Spanish, Portuguese, French)

Urban Planning

Water

Translate between Languages!

• American Translators Association (organization for translators)
• Babel Fish Multilingual Translation (Chinese, Dutch, English, French, German, Greek, Italian, Japanese, Korean, Portuguese, Russian, Spanish)
• Reverso Translator (English, French, German, Spanish)
• Free Translation.Com (Arabic, English, Spanish, French, German, Italian, Portuguese plus many, many more)
• Mezzofanti Translations
• WorldLingo Text Translator (Chinese, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish plus many, many more)
• Eurocosm Multilingual Phrase Dictionary (English, French, German, Italian and Spanish (with audio pronunciations)

Universal Currency Converter

An Index of Dictionary Indices

• Encyberpedia - Dictionaries, Glossaries and Thesauri
• Kitamakura's On-line Glossary Index
• Leximagne--l'Empereur des pages dico - French dictionaries, glossaries and wordlists
• Online Dictionaries, Glossaries and Encyclopedias
• Language Automation - Glossaries by Language
• Yahoo Dictionary Index

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