For even more recommended online reference sources, visit Frost Library's Quick Reference page.
Dictionaries and Glossaries
- Oxford English Dictionary: The OED online, for historical definitions and usage of words in the English language.
- Merriam-Webster Online: the online Merriam-Webster's Collegiate® Dictionary, Eleventh Edition. (includes the M-W English Learners', Medical, and Spanish-English dictionaries)
- Cambridge Dictionaries Online: includes the Cambridge Dictionaries of British English, American English, Business English, Learner's Dictionary, English-Spanish, and more.
- AcronymFinder: a comprehensive dictionary of acronyms, abbreviations, and initialisms.
- Old English Dictionary / Middle English Dictionary