General Dictionaries and Thesauri
- Dictionary.comFree internet dictionary
- Oxford English Dictionary This link opens in a new windowMeaning, history, and usage of words and phrases from across the English-speaking world.
- IMTranslator DictionaryOffers millions of professional translations of words, phrases, idioms, expressions and sentences ranging from colloquial and informal to technical and subject-oriented terminology. Enhanced with voice capability, machine translation, advanced all-dictionaries search and much more.
Illustrated Dictionaries
The Cambridge Illustrated Dictionary of Natural HistoryISBN: 0521399416Print book
Compton's dictionary of the natural sciences, fully illustrated, fully indexedPrint book
DK Illustrated Oxford DictionaryISBN: 0789435578Print book
The Facts on File Visual DictionaryISBN: 0816015449Print book
Mathematics Illustrated Dictionary: Facts, Figures, and People Including the New MathPrint book
Oxford Picture Dictionary : English/ArabicISBN: 9780194740104Print book
- Internet Picture DictionaryThe Internet Picture Dictionary is a completely free, online multilingual picture dictionary designed especially for ESL students and beginning English, French, German, Spanish and Italian language learners of all ages.
Dictionaries of Idioms, Cliches, and Jargon
The American Heritage Dictionary of IdiomsISBN: 9780395727744eBook
The Dictionary of ClichesISBN: 0517060205Print book
The Facts on File Dictionary of ClichesISBN: 0816043566Print book
Jargon: its uses and abusesISBN: 063118063XPrint book
The Penguin Dictionary of English IdiomsISBN: 0140511350Print book
- ESL Idioms and SlangIdiom and slang links of interest to teachers and students of English as a Second Language.