Top Dictionaries and encyclopedias Websites

- wikipedia.org

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

- sciencedirect.com

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

- britannica.com

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and Web sites.

- reference.com

Reference.com - a free online encyclopedia and information reference. Research articles from Columbia Encyclopedia and Encyclopedia Britannica.

- hbr.org

Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.

- thefreedictionary.com

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary...

- merriam-webster.com

Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality Merriam-Webster...