This project, begun on the 17. November 2010, will attempt to create a digital and easily searchable version of the first edition of Samuel Johnson's Dictionary of the English Language. This is a hobby for me, so it will progress slowly
Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality Merriam-Webster language resources.
The much-anticipated Fifth Edition of The American Heritage Dictionary of the English Language is the premier resource about words for people who seek to know more and find fresh perspectives. Exhaustively researched and thoroughly revised, the Fifth Edition contains 10,000 new words and senses, over 4,000 dazzling new full-color images, and authoritative, up-to-date guidance on usage from the celebrated American Heritage Usage Panel.
DADS at NIST. This is a dictionary of algorithms, algorithmic techniques, data structures, archetypal problems, and related definitions. Algorithms include common functions, such as Ackermann's function. Problems include traveling salesman and Byzantine generals. includes Benford's law, Bradford's law, Zipf's law.