Academic Press Dictionary of Science and Technology Largest scientific dictionary ever compiled in the English language to the Web

American Sign Language Dictionary Combines text and graphics to provide word definitions and basic numbers for those attempting to communicate with a person who signs.

Biographical Dictionary Short biographies of historical figures.

Computing - Free On-Line Dictionary Enter a word or phrase to get definitions of computing terms.

Foreign Language Dictionaries Find a translation from any language.

How Many? A Dictionary of Units of Measurement. How many centimeters in an inch? Find out here.

Merriam Webster Type in a word or phrase and get its definition. Also links to thesaurus entries.

Merriam-Webster's Word Central Offers kids a student dictionary

Web of Online Dictionaries More than 800 dictionaries in 160 different languages

WordNet Online Dictionary A dictionary that lets you select definitions, synonyms and antonyms for nouns, verbs, adjectives and adverbs.

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