LDOCE

• Longman Dictionary of Contemporary English, first published by Longman
  Longman
  
  Longman was a publisher founded in London, England in 1724. It is now an imprint of Pearson Education....
   in 1978. The Ldoce is available in various formats: paper with a bundled DVD-Rom or freely online. The Ldoce is an Advanced Learner's English dictionary, providing definitions by using a restricted vocabulary, helping non native English speakers to get meanings easily. The free has just been updated in its layout and released on the 25th of August 2008. The website offers search with spelling feature, definition, collocations, many examples and pictures.

• A Learner's Dictionary of Current English, first published by Oxford University Press
  Oxford University Press
  
  Oxford University Press is a publisher and a department of the University of Oxford in England. It is the largest university press in the world, being larger than all the American university presses combined with Cambridge University Press....
   in 1948.

See also

• Monolingual learner's dictionary
  Monolingual learner's dictionary
  
  Monolingual learner's dictionaries are written for learners of a foreign language. Most such Advanced Learner's Dictionary, but in English language there are ones for elementary and intermediate users too....
  

External links

• - Website of Longman Dictionary Of Contemporary English (LDOCE),providing dictionary service.