Collins has been at the forefront of dictionary publishing for over 175 years and is one of the world's most respected and market leading dictionary and language learning publishers. With all its heritage and expertise Collins prides itself on delivering up-to-date, accessible and innovative language products to meet the needs of all users from students to professionals in print, online or via mobile; it is for these reasons Collins dictionary products remain a top choice for generations of users. We are glad to present Collins Dictionaries for Mac OS, three perfect bilingual English dictionaries containing the high-quality authoritative dictionary databases from Â© HarperCollins Publishers and the Slovoed application engine from Paragon Software (SHDD), the world's leading provider of software for mobile platforms and computers. Dictionary database is powered by Â© HarperCollins Publishers 1997, 2000 English-Russian dictionary contains 27088 entries. Russian-English dictionary contains 31337 entries. English Sound Module contains about 20000 audio pronunciations. Russian Sound Module contains about 20000 audio pronunciations.