The Oxford English Dictionary is the internationally recognized authority on the evolution of the English language from 1150 to the present day. The Dictionary defines over 500,000 words, making it an unsurpassed guide to the meaning, pronunciation, and history of the English language. This new upgrade version of The Oxford English Dictionary Second Edition on CD-ROM offers unparalleled access to the world's most important reference work for the English language. The text of this version has been augmented with the inclusion of the Oxford English Dictionary Additions Series (Volumes 1-3), published in 1993 and 1997, the Bibliography to the Second Edition, and other ancillary material. System requirements: PC with minimum 200 MHz Pentium-class processor; 32 MB RAM (64 MB recommended); 16-speed CD-ROM drive (32-speed recommended); Windows 95, 98, Me, NT, 200, or XP (Local administrator rights are required to install and open the OED for the first time on a PC running Windows NT 4 and to install and run the OED on Windows 2000 and XP); 1.1 GB hard disk space to run the OED from the CD-ROM and 1.7 GB to install the CD-ROM to the hard disk: SVGA monitor: 800 x 600 pixels: 16-bit (64k, high color) setting recommended. Please note: for the upgrade, installation requires the use of the OED CD-ROM v2.0.

This thumb-indexed edition includes a general-purpose dictionary and a thesaurus in dictionary form, arranged so that the relevant material from each appears on the same page, an arrangement made possible by the use of computer data-handling. Meanings, spelling, pronunciation, usage and a wide range of words and phrases are instantly available. The dictionary in this volume is derived from the Collins English Dictionary while the thesaurus is derived from the New Collins Thesaurus.

This dictionary of American English is designed to help learners write and speak accurate and up-to-date English. • Ideal for upper-intermediate and advanced learners of English • Based on the Collins 4.5-billion-word database, the Collins Corpus • Up-to-date coverage of today’s English, with all words and phrases explained in full sentences • Authentic examples from the Collins Corpus show how English is really used • Extensive help with grammar, including plural forms and verb infl ections • Fully illustrated Word Web and Picture Dictionary boxes provide additional information on vocabulary and key concepts • Vocabulary-building features encourage students to improve their accuracy and fl uency: †- Word Partnership notes highlight important collocations †- Thesaurus entries offer synonyms and antonyms for common words †- Usage notes explain different meanings and uses of the word • Supplements on Grammar, Writing, Speaking, Words That Frequently Appear on TOEFL® and TOEIC®, Text Messaging and Emoticons

This one-volume reference book combines a mid-range dictionary and thesaurus in a parallel text format, enabling the user to find both the dictionary and thesaurus entries on the same page. Because of this practical arrangement of text, meanings, spelling, pronunciation, usage, and a range of alternative words can be found in one place without further looking up.

Collins Discovery Thesaurus is the perfect reference for everyday use. With all the words and alternatives you need, as well as a huge choice of opposites, this is the ideal reference for home, school and the office.