The online etymology dictionary is the internet's go-to source for quick and reliable accounts of the origin and history of English words, phrases, and idioms. It is professional enough to satisfy academic standards, but accessible enough to be used by anyone. The site has become a favorite resource of teachers of reading, spelling, and English as a second language.
Learn seventh grade math for free—proportions, algebra basics, arithmetic with negative numbers, probability, circles, and more. Full curriculum of exercises and videos.
The online etymology dictionary is the internet's go-to source for quick and reliable accounts of the origin and history of English words, phrases, and idioms. It is professional enough to satisfy academic standards, but accessible enough to be used by anyone. The site has become a favorite resource of teachers of reading, spelling, and English as a second language.
Learn seventh grade math for free—proportions, algebra basics, arithmetic with negative numbers, probability, circles, and more. Full curriculum of exercises and videos.
