Here you will learn the 1000+ most common French words.

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The fourth edition of this leading dictionary (previously A Dictionary of Earth Sciences) contains over 7,500 clear and concise entries on all aspects of geology and earth sciences, including planetary science, volcanology, palaeontology, and mineralogy.

‘This book is rich in peculiarities for the interested observer’ - The Independent

The second edition of the Oxford Dictionary of Astronomy contains over 4,300 up-to-date entries covering all aspects of astronomy. Compiled with the help of over 20 expert contributors under the editorship of renowned author and broadcaster Ian Ridpath, A Dictionary of Astronomy covers everything from space exploration and the equipment involved, to astrophysics, cosmology, and the concept of time.

A Dictionary of the Bible is the most acclaimed, accessible, and up-to-date dictionary of its kind. Containing over 2,000 authoritative entries it provides clear and concise information about all of the important places, people, themes, and doctrines of the Bible. Terms range from earthquakes and mice to martyrs and art, and new to this edition are entries on Act of God, Old Testament and New Testament theology, Hanukkah, the Koran, mysticism, and many more.

Lingua.ly - learn new vocab
Learn a language while you browse the web.
Study French, English, Spanish, Russian, Arabic, Hebrew and more, as you read articles on your mobile device and tap on words you don’t know. Lingua.ly’s smart dictionary gives you translations for vocabulary you would like to learn. The app creates personalized games and flashcards to help you remember your new vocab. A fun, free and seamless way to learn a language.

The Oxford Dictionary of English Idioms takes a look at over 6,000 idiomatic phrases and sayings found in the English language. These include a range of recently established idioms such as the elephant in the corner, go figure, like a rat up a drainpipe, sex on legs, step up to the plate, too posh to push, a walk in the park, win ugly.

Contains usefull vocabulary in many different languages. Great way to access and learn new words.

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Oxford American Dictionary & Thesaurus – The perfect tool for anyone who has ever spent time going back and forth from the thesaurus to the dictionary, in search of just the right word. This bundle is an all-in-one desk reference offering the range and depth of a full dictionary, with a wide selection of synonyms and antonyms, plus valuable writing tips and information--all combined in one convenient, integrated volume.

The Concise Oxford English Dictionary is the most popular dictionary of its kind and is noted for its clear, concise definitions as well as its comprehensive and authoritative coverage of the vocabulary of the English-speaking world. Available in both British & American voice versions, this dictionary consists of over 50,000 audio pronunciations of both common and rare words, including words with controversial pronunciation or with variant pronunciations.

The most practical reference to the idiomatic and verbal expressions of contemporary American English!

This application allows you to browse off-line dictionaries. This is useful when the Internet connection is not availabe (abroad, in the plane...)

A Collins German-English-German Dictionary with over 80,000 words, phrases and definitions.