Chong·jin (chông?j?n?, ch?ng?-) A city of northeast North Korea on the Sea of Japan. It is a port and an industrial center.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Ch?ngjin (?t????d??n) or Chungjinn (Placename) a port in E North Korea, on the Sea of Japan (East Sea). Pop: 603 000 (2005 est)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Chong?jin (?t????d??n) n. a seaport in W North Korea. 754,128. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.