Dictionary of visual art defines more than 3,500 art-related terms. Also includes a comprehensive collection of artwork and famous quotes.

Read about more than 28,000 notable men and women from history. Search by names, dates, professions, achievements, and more.

Online English dictionary, thesaurus and reference guide. Includes word games, online translator, and word of the day feature.

Features profiles of over 300 known dinosaurs along with pronunciations of their names.

Provides definitions, synonyms, and related words.

An online dictionary with definitions of over 125,000 words.

A searchable dictionary of terms from computing and related fields.

Free online picture dictionary. Includes pictures representing both concrete and abstract concepts.

Downloadable program that looks up entire lists of vocabulary words.

Picture dictionary gives definitions, pictures, and Internet links for over 2,350 entries. Includes translations for English to and from Dutch, French, Spanish, and more.

Online dictionary with over 100,000 entries, definitions, and pronunciations.

Provides a glossary of Internet jargon and acronyms.

Type in a word and search many dictionaries at once. Also has a reverse dictionary.

Defines everyday words including slang, webspeak, and colloquialisms.

Features search to locate words by initial letters and numbers.

Online rhyming dictionary. Search for a word and get a list of potential words that rhyme in addition to a definition.

Glossaries for several languages and for specialized fields from the University of Vaasa, Finland.

Contains over 90,000 entries, including 70,000 audio word pronunciations.

Free, online multilingual picture dictionary with interactive activities for English, French, German, Spanish, Italian and ESL learners.

Definitions and essays on occult, paranormal, and supernatural ideas and practices from the point of view of someone who is a sceptic, that is, does not believe in these things.

Online dictionary and reference website.

Definitions of many computer-related terms, from hardware to the internet.

Merriam-Webster's site for kids has a student dictionary, Daily Buzzword, and interactive word games. Includes homework help and lesson plans for parents and teachers.

Search on several different dictionaries, an encyclopedia, and the web.

A dictionary and thesaurus in one. Also gives parts of speech and examples for more than 50,000 words.