abnormal psychology definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the branch of psychology dealing with mental disorders or maladaptive behavior and the study of mental retardation, hypnosis, dreams, etc.
abnormal psychology definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The study of mental and emotional disorders or maladaptive behaviors, or of mental phenomena such as dreams, hypnosis, and altered states or levels of consciousness.
abnormal psychology - Medical Definition