I was under the impression it was based on Webster's Ninth Collegiate Dictionary , and indeed it was; but there are so many improvements and changes that the absence both of a Longman copyright notice and of any identification of a specific editorial director are a bit mysterious.
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I was incorrect about it being based on Webster's Ninth Collegiate Dictionary.
( I ( ( ( was incorrect ) ( about ( it ( being ( based ( on ( ( Webster 's ) ( Ninth ( Collegiate Dictionary ) ) ) ) ) ) ) ) ) . ) )
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