‘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.

The wide-ranging Oxford Dictionary of World History contains a wealth of information on all aspects of history, from prehistory right up to the present day. It includes biographies of key figures in world history, historical summaries for each country, and entries on religious and political movements, international organizations, and key battles and places.

Simple dictionary and offline Wikipedia reader.

McGraw-Hill's American Idioms Dictionary shows you the ropes of English and helps you еxpand your English-speaking abilities with these 14,000-plus expressions, proverbs, and common sayings, listed alphabetically.

It well be one of the best English to Arabic dictionary of the market.

This is fully free apps which is contains more than 50, 000 thousand words. Feel free and search your favorite word.

English to Bangla Dictionary
English to Bangla Dictionary is an completely free and offline Bengali Dictionary or Bangla Dictionary.

Bi-directional English-French dictionary with over 90,000 unique words

Bi-directional English-German dictionary with over 68,000 unique words

Bi-directional English-Spanish dictionary with over 75,000 unique words

Translate with your eyes

License: 60% off for the celebration of Oxford Dictionaries joining in.

Got stuck in a totally unfamiliar language environment? When you could not manually input to search for results, even the most powerful electronic dictionaries would be just useless! CamDictionary – your personal translator anytime and anywhere!

CamDictionary is a professional instant translator application.

v.1.71 LOT'S OF NEW STUFF incl. New mini game 'QUIZ'!
v.1.5 - UI improvements & native support for Spanish, French, German, Italian and Finnish

CHINA BUBBLES is a simple action game that helps you memorize Chinese characters.

You don't have to know Chinese to get started, whether you just want to be able to read a menu or learn hundreds of characters, CHINA BUBBLES will help you!

Free Chinese Dictionary, with Word Lists and Flash Cards

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Intelligent English, Chinese and Pinyin search
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Small footprint, Low battery consumption

The Collins Chinese Dictionary offers the learner of Chinese or English an essential reference tool. This completely up-to-date dictionary is designed for intermediate learners of Chinese or English up to university level and beyond.

The Collins Cobuild Intermediate Dictionary is the perfect language tool for English language learners. The information in this dictionary has been carefully chosen you can succeed as a confident language user and will enable you to write and understand better English.
You will find all the words you need, defined clearly in full sentences completed with:

* 17,000 headwords
* 63,000 references
* 25,000 examples

A rich source of words for everyone who loves language, this free dictionary is both comprehensive and authoritative with its 123,000 words and 200,000 definitions based on the Collins Word Web - an unrivaled and constantly updated 2.5 billion-word database of today's English.

Collins Korean Gem Dictionary offers learners extensive and up-to-date coverage of Korean and English in a compact, portable format.

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

A Collins Greek-English-Greek dictionary with thousands of real-language examples from a corpus of modern Greek.

Collins Japanese Gem Dictionary offers learners extensive and up-to-date coverage of Japanese and English in a compact, portable format. This Japanese dictionary is designed for all levels of language learner, whether at home, at school, or at work. It’s the ideal text for anyone who needs a wealth of reliable information in a portable format.