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How
Do We Build Our Dictionaries?
The Longman Corpus
Tania Saiz-Sousa, Dictionaries
Marketing Manager
New!
Longman
American English Dictionary, 4th Edition, with CD-ROM
All Longman dictionaries are created using the Longman Corpus Network—a
huge database of 330 million words from a wide range of
real-life sources such as books, newspapers and magazines. All the
information in our dictionaries, including example sentences, is based
on this corpus so you see only real English, as it's really used.
Collocations
and Idioms
Why do we usually say "a large amount," but "a big
problem"? It’s not always easy for learners to know which words
are most naturally used together. The Longman Corpus Network tells us
which words often work together (collocations) and which words occur
together so often that they work as a unit (idioms). Our dictionaries
then pass this information on to learners in easy-to-understand
formats.
Our
Dictionaries Are Easy to Understand
Longman invented the Defining
Vocabulary—2,000 of the most
common words—in 1935. These 2,000 words are used to write
the definitions in our dictionaries, so Longman definitions are always
clear and easy to understand.
Avoid
Common Mistakes
Longman dictionaries are written especially for learners, and we make
sure that they get all the help they need to avoid common mistakes.
Using the Longman Learner's Corpus—12 million
words of students' essays and exam scripts—we
analyze typical learners' mistakes and include notes on how
to avoid them.
For more information on our Corpora and about other Longman
dictionaries, please visit: www.pearsonlongmanusa.com/dictionaries
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