What is the difference between Oxford, Longman, Webster's and Collins dictionaries?

Oxford Oxford is used in Britain, British English, mostly in professional fields.

Longman Logman is a British publisher, publishing books and magazines and dictionaries collected by others.

Webster is American English, which is mostly used in American grammar.

Collins Collins is an American publisher who publishes books and magazines, as well as dictionaries collected by others.

Also, the traditional American heritage is the old American dictionary, which is called two dictionaries with Oxford.

Oxford Dictionary is the general name of all kinds of English dictionaries published by Oxford University Press. It is the representative of English language dictionaries and the highest authority of English vocabulary. The dictionary was first published in 1857, with 20 volumes in total.

The Oxford Dictionary aims to include the usage of all known words and the changes of words in different regions of English. By the end of October 30th, 2005, 1 1, 100 subject words were included in this dictionary, and the number of letters reached 350 million.