Dictionaries & Encyclopedias
Like its print cousin, encyclopedia Britannica is a searchable encyclopedia that is great for school projects and subject overviews.
Acronym Finder: Learn what a particular acronym means. Examples of acryonyms are: NFL, NASA, ASAP, etc.
Abbreviations.com: Find out what a particular acronym or abbreviation means.
Dictionary.com: This reference source provides a good dictionary, thesaurus, and translator.
Google Translate: Need assistance with a word or phrase in a different language, use this great translator.
Merriam-Webster Dictionary: The online version of its print cousin.
Scrabble Dictionary: Need help in Scrabble. Check out this free online Scrabble Dictionary by Merriam-Webster.
TechTerms: A good dictionary of computer and internet terms and acronyms that you may come across.
Urban Dictionary: Look up acronyms and slang that may not have made it into a main stream dictionary yet.