SPRINGFIELD, Mass., Dec. 15, 2011 /PRNewswire/ -- Merriam-Webster Inc., America's leading dictionary publisher, has announced the Top Ten Words of the Year for 2011.

Whether you love the "Harry Potter" series or despise it, there may be a psychological explanation behind your opinion.

WATERBURY, Conn., Sept.

Log on to Twitter and spread the news--"tweet" has been added to the dictionary!

social media has found a home in this year's update of Merriam-Webster's Collegiate® Dictionary, giving word watchers everywhere something to tweet about. Social media and tweet