Cambridge Dictionaries Online
The Cambridge Dictionaries online, including: International English, American English, Spanish-English, French-English, phrasal verbs, idioms, and learners of English.
Merriam-Webster Collegiate Dictionary and Thesaurus
The Merriam-Webster Collegiate Dictionary and Thesaurus online (with audio pronunciations).
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Glossary of English Grammar Terms
The Glossary of English Grammar Terms is a fully cross-referenced English glossary of linguistic and grammatical terms. Each grammar definition contains an explanation and cross-references to other relevant grammar terms.
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