- Acronym Finder
A searchable database of mre than 100,000 common acronyms and abbreviations. - Alternative Dictionaries
Offers about 3,000 words in 79 languages to date, and is an experimental "internet collaborative" project - meaning users make all the entries, and most are rarely found in conventional dictionaries.
Find 170 terms from the Technical Manual and Dictionary of Classical Ballet courtesy of Dover Publications.
Explanation of terms which differ in usage between American English and British English.
Looks up single words in a simple French - English Dictionary.
Dictionary of terms which may be useful to artists, students, and those involved in teaching art production, criticism, history, aesthetics, and education.
Defines all cooking and baking terms.
An animated and textual dictionary depicting the alphabet, numbers from 1 to 10, and various terms, as they appear in American Sign Language.
A dictionary for your mind. Offers search and index of words.
Definitions and short articles relating to Biblical terms, together with links to illustrative sections in the Bible.
Just what the title says.
Features more than 27,000 notable men and women from ages ago to current times.
Explains the terminology associated with brain tumors.
Features a buzzword dictionary of plain-English definitions of commonly used 'buzzwords' and a facility for users to contribute words for inclusion.
Site allows you to search four different online dictionaries from American English to Idioms.
Alphabetically arranged definitions of English and American climbing terms with German, French, Canadian French, Dutch, Italian, Spanish, Swedish, and Polish translations.
The major Chinese character dictionaries on the web are interlinking at a character-to-character level, allowing visitors to quickly jump across dictionaries to check the same character entry without having to search again for the character. Find a character in any of the above dictionaries and you can follow the blue links, jumping between more than a dozen dictionaries spread across seven countries and four continents.
The Carnegie Mellon University Pronouncing Dictionary is a machine-readable pronunciation dictionary for North American English including more than 100,000 words and their transcriptions.
Search for definitions of more than 7,000 high-tech terms.
Since the material here represents the view of one individual and was written in the early years of this century, there will no doubt be material here that you will find sexist, nationalist, racist, or just generally offensive. Proceed at your own risk.
Free online resource for translating plain text or Web pages into English, French, German, Portuguese, or Spanish.
Offers definitions of algorithms, algorithmic techniques, data structures, archetypical problems, and related definitions.
Also known as DANFS, this is one of the primary references about US naval vessels.
These FAQs are meant to provide general information about orthodontic treatment.
Dictionary of Difficult Words
A-Z index of over 13,900 difficult words to increase your vocabulary.
Cross referenced definitions of hundreds of plant epidemiology terms from acquired immunity to zoonosis.
A monster online dictionary of the rich colorful language we call slang... all from a British perspective, with new slang added every month.
Many of the slang terms used in mountain biking come from the off-road motorcycling culture, from trials bicycling and BMX, and from road cycling.
Following is the alphabetical index to the Dictionary of Occupational Titles (DOT) revised fourth edition, as supplied electronically by the US Dept. of Labor, provided, as a public service.
Guide to technical terms and people often encountered in the study of philosophy.
Dictionary of terms, names and concepts which reflect current approaches to the philosophy of mind.
This classic work of reference - described as a browser's joy - has been in popular demand since 1870. The Dictionary is extensively cross referenced, lending itself ideally, to the hypertext environment. This First Hypertext Edition is taken from Dr. Brewer's substantially revised and extended edition of 1894.
Dictionary of Small Business
Search alphabetically or by subject.
The Indiana Prevention Resource Center on-line dictionary contains more than 3,000 street drug slang terms from the Indiana Prevention Resource Center files, with more than 1,200 additions from the National Drug and Crime Clearinghouse slang term list.
Searchable dictionary aiming to provide possible cultural significance of various symbols, and suggest ways in which those symbols may have been used in context.
Summary of units of measurements used worldwide, with some historical measurements.
Dictionary of several thousand military terms, including acronyms and abbreviations, which can be browsed as well as searched.
Features more than 500 different dream symbol definitions.
Researched, written in plain language and provided free of charge.
Internet version of a dictionary which defines unusual or religious terms from the Bible.
Talking dictionaries, text and voice translators, up to 1,000,000 words.
Enter the word you wanted to be translated from English to Russian or Russian to English.
Translation of English phrases into Portuguese.
Offers an English-Romanian/Romanian-English translation service, a facility to conjugate Romanian verbs, and more.
The contents of this Dictionary are an abridged version of the New Dictionary of Farrier Terms and Technical Language.
A searchable dictionary of acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, conventions, standards, mathematics, telecommunications, electronics, institutions, companies, projects, products and other computing terms.
Russian language resources including greetings and farewells, tutorial materials and a selection of dictionaries and thesauri.
School Gaelic Dictionary prepared for the use of learners of the Gaelic language, keyed in and verified at Sabhal Mor Ostaig.
Collection of more than 2,000 of the most obscure and rare words in the English language.
Single word translations of English terms organized by category.
With millions of useful and interesting facts on a wide range of topics, the Almanacs have set the standard for scope, authority, and readability among reference works, a tradition that Information Please is continuing online.
Online picture dictionary for learners of English, French, German, Italian, and Spanish.
This is the Jargon File, a comprehensive compendium of hacker slang illuminating many aspects of hackish tradition, folklore, and humor.
A collaborative work by people all over the world working to establish new dictionaries of the Swahili language, both within Swahili and between Swahili and English.
Extensive alphabetic list of Latin words with English translations.
An extensive database of materials covers more than 400 legal topics ranging from business issues, such as commercial, taxation, bankruptcy, real estate and intellectual property law, to consumer-related issues, such as estate planning, health, family and employment law.
A dictionary explaining legal terms in plain English.
Lexical FreeNet
Connected thesaurus
Dictionary which translates Swedish to English, or English to Swedish.
Searchable dictionary of life science terms, including biochemistry, biotechnology, botany, cell biology and genetics.
Lexeme-Morpheme Base Morphology (LMBM) is known for its rigorous distinction of lexemes and (grammatical) morphemes. This site has over 800 dictionaries in 160 languages.
Multilingual online translation dictionary. Includes facilities for entering Latin, Cyrillic, and Greek characters. Alternative and incorrect spellings can also be interpreted.
Fully searchable and browsable dictionary of medical terms, abbreviations, acronyms, and jargon.
Free dictionary and thesaurus.
Designed to offer easy access to and interconnectivity between three major Middle English electronic resources an electronic version of the Middle English Dictionary, a HyperBibliography of Middle English prose and verse, based on the MED bibliographies, and an associated network of electronic resources.
An alphabetical reference guide to technical, cultural, and humorous terms related to the Internet.
This document (the Jargon File) is in the public domain, to be freely used, shared, and modified.
A dictionary of nonexistent words.
Dictionary word count = 2285247 words in 482 dictionaries now indexed.
Free searchable dictionary creating etymologies in alphabetical order and list of abbreviations to help you.
Extensive dictionary of medical terms, including those relating to biochemistry, cell biology, chemistry, medicine, molecular biology, physics, plant biology, radiobiology, science and technology.
Global information resource and research tool covering all of the disciplines contributing to our understanding of mental health.
These FAQs are meant to provide general information about orthodontic treatment.
Pharma-Lexicon
Contains a medical and pharmaceutical dictionary of acronyms and abbreviations.
Presents an opportunity for horticultural instructors to integrate instructional technology through the use of our computer-based curricular support materials.
Just trying to create a little bit of order in the chaos of rap related information available on the Internet.
Online tool that aspires to be the best and fastest way for writers to find words.
Using the three phonetic query functions described below, you can find words that rhyme with, almost rhyme with, or sound exactly the same as a certain target word. Using the two semantic query functions, synonyms and "semantic siblings'', you can find words that approximate or have the same meaning as an intended concept.
In the case of semiconductors, the evolution of the industry has been so dynamic since the invention of the transistor in 1947 at Bell Laboratories, that even veterans have been hard pressed to keep up with the terminology. As words, abbreviations, acronyms and phrases have been invented, combined, and combined again, similar sounds and similar spellings have come to stand for intricate concepts with distinct and important differences.
Contains plain-English definitions for over a thousand legal terms, from the common to the bizarre.
Provides definitions, arguments and essays on subjects supernatural, occult, paranormal and pseudoscientific.
This lexicon contains acronyms, abbreviations and terms relating to military technology, space and electronic combat, electronic warfare, command and control, weaponry, general warfare, information warfare, special warfare, non-lethal weapons, computers, the Internet, emerging technology and kindred topics.
Spanish dictionary
You can enter a word to search the Spanish dictionary.
SpanishDICT.com
A dictionary of Spanish and English.
Provides online versions of unusual dictionaries - like one-letter words, all-consonant words, and all-vowel words.
Offers German-English and Spanish-German translations of over 850,000 words, names, phrases and acronyms.
Contains more than 2,500 Western signs, arranged into 54 groups according to their graphic characteristics.
Extensive collection of un-certain English words, their origin, meaning, legitimate and illegitimate use, and more.
Find definitions for more than 40,000 words with extras like - sample sentences, cultural facts and even photographs!
Definitions of hundreds of terms and concepts used in cybernetics and systems theory.
The only online dictionary and search engine you need for computer and Internet technology.
Word Count
Visualize the 88,000 most common words in the English language—ranked in order from most to least frequently used.
Collection of translating dictionaries designed to convert words on any Web page from English to Spanish, German, Italian, and French, and vice versa.

