Dictionaries

abbrevAbbreviations.com
Directory and search engine for acronyms and abbreviations.
abbreviations.com

 

accnymfndrAcronym Finder
Dictionary of acronyms and abbreviations. Contains over 750,000 definitions.
www.acronymfinder.com – Acronyms

 

answerscomAnswers.com
Aggregator of definitions, encyclopedia entries, and language translations.
reference.answers.com – Aggregator

 

cambridgeCambridge
Search multiple dictionaries from Cambridge University Press.
dictionary.cambridge.org

 

compterrefComputer Definitions
Featuring 20,000 topics and 2,500 images. Search field at bottom of page.
www.computerlanguage.com – Computers

 

dictionarynetDefinitions.net
Multilingual dictionary that provides definitions and translations.
definitions.net – Aggregator

 

dictionarycomDictionary.com
Includes definitions from American Heritage, Random House, and Merriam-Webster.
dictionary.reference.com – Aggregator

 

investorwordsInvestor Words
Financial glossary with a comprehensive index of 7,500 definitions.
www.investorwords.com – Financial

 

lawrefLaw.com Dictionary
Concise, easy-to-read definitions from The People’s Law Dictionary.
dictionary.law.com – Legal

 

mcmillanMacmillan
British English and American English dictionaries.
www.macmillandictionary.com – Dictionary

 

marketingrefMarketingPower Dictionary
4,000 cross-referenced definitions of marketing terms.
www.marketingpower.com – Marketing

 

matwoodMathworld Dictionary
Source of mathematical definitions and concept explanations.
mathworld.wolfram.com – Math

 

medtermsMed Terms
Easy-to-understand explanations of more than 16,000 medical terms.
www.medterms.com – Medical

 

medilexMedi Lexicon
Search over 200,000 medical terms, ICD-9 codes, hospitals, and more.
www.medilexicon.com – Medical

 

merriamMerriam Webster
Based on the print version of Merriam-Webster’s Collegiate Dictionary.
www.m-w.com – Dictionary

 

netlingoNet Lingo
Definitions for thousands of terms in the field of technology and communication.
www.netlingo.com – Technology

 

onelookOneLook
Meta-search tool indexing 13 million words from 1,000 dictionaries.
www.onelook.com – Reverse Dictionary

 

oxfordOxford Dictionaries Online
Oxford’s Compact English Dictionary contains 145,000 words and definitions.
oxforddictionaries.com – Dictionary

 

thesaurasThesaurus.com
Over 17,000 entries. Find synonyms, antonyms, and brief definitions.
thesaurus.com – Thesaurus

 

thefreedicThe Free Dictionary
General and subject dictionaries for financial, legal, and medical terms.
www.thefreedictionary.com

 

urbanUrban Dictionary
Dictionary of contemporary American slang. Not appropriate for children.
www.urbandictionary.com – Slang

 

visiualthVisual Thesaurus
Displays a unique visualization of connections between words.
www.visualthesaurus.com – Thesaurus

 

vocabularyVocabulary.com
Outstanding dictionary and engaging vocabulary teaching tool.
vocabulary.com – Dictionary, Learning

 

webmdWebMD Medical Dictionary
Thousands of medical entries from abdomen to zygote.
dictionary.webmd.com – Medical

 

webopediaWebopedia
Dictionary of computer and Internet terms.
www.webopedia.com – Technology

 

wictionaryWiktionary
Multilingual dictionary and thesaurus written and edited by the public.
en.wiktionary.org – Dictionary

 

wordspyWord Spy
Blog tracking new words and phrases in popular use.
www.wordspy.com

 

wordnikWordnik
Aggregator of definitions, images, and word usage statistics.
www.wordnik.com – Aggregator

 

yourdicYourDictionary

Definitions, thesaurus entries, spelling, pronunciation, and etymology results.
www.yourdictionary.com – Aggregator