The 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.
noun (used with a sing. verb)
The practical or technological application of psychology, as in analysis of social or economic problems.
- psyˌcho·techˈni·cal adjective
- psyˌcho·tech·niˈcian noun