Longman Dictionary of American English (paperback with PIN) (5th Edition) (Longman Dictionary of Amer English) / Pearson Education,

The Fifth Edition of Longman Dictionary of American English is the key to vocabulary building! Now with the full contents online, plus online Thesaurus and Vocabulary Checker.

• 109,000 words, meanings and phrases, including words from the Academic Word List
  
• 59,000 example sentences, showing thousands of academic words and collocations
  
• Clear definitions written using the Longman American Defining Vocabulary of just 2,000 common words
  
• Words for content areas such as Science and Social Studies

• Collocation boxes show combination of words that are often used together, such as strong interest, highly successful, and take a test
  
• Integrated Thesaurus explains thousands of synonyms and antonyms
  
• 3,000 etymologies explain the origin of words -15,000 etymologies online
  
• Learner's Handbook on Writing, Collocations and Grammar
  
• Workbook exercises for self-study and classroom use

• Pronunciation of all the words and example sentences, and pronunciation practice
  
• Longman Vocabulary Checker: find out which type of vocabulary is used in the text you are reading and which words you should learn
  
• Thesaurus: choose the right word and build your vocabulary
  
• Topic Vocabulary: find all the words you need to write about common topics such as Describing Places, Technology, Sports and Relationships
  
• Academic Study Center with interactive exercises for vocabulary, reading and writing, and exam practice for TOEFL