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Look up a word or term in an Internet dictionary or glossary. Free search access to a frequently updated database of words, terms, names, and acronyms.

The Free On-line Dictionary of Computing is a searchable dictionary of terms from computing and related fields.

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The Web's most comprehensive and authoritative language portal with every resource needed for language study in more than 300 languages.

This free style guide can help answer your writing questions about abbreviations, capitalization, grammar, numbers, punctuation, spelling and word usage

Free online web Dictionary and Thesaurus linking reference tool. Transforms words on any webpage into links to definition and word lookups in Dictionaries or Thesauruses.

Vocabulary University&reg creates thematic content (currently grade level vocabulary) to help people learn vocabulary in context with puzzles for grades 5-12. Graphic word games & word puzzle activities help vocabulary building and acquisition.