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Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

The Free Online English Dictionary from Macmillan Publishers.

A free online Talking English Pronunciation Dictionary - simply mouse over your entry to hear it pronounced. American and British spellings, with alternative pronunciations. Sounds are fast, clear and completely natural, pre-recorded by native speak...

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers

Oxford Advanced Learner

the modern reef blog

Aquatic Mammals is the peer-reviewed journal of the European Association for Aquatic Mammals.

NSDL.org is an online science library with links to high quality science, technology, engineering, and math resources for K-12 teachers, faculty, librarians, students and informal learners. Funded by the National Science Foundation.

Memidex is a free online dictionary and thesaurus with extensive cross-referencing, complete inflections, simple interface, and frequent updates. It

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