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.
The study of creatures, such as the Sasquatch, whose existence has not been substantiated.
- crypˌto·zoˌo·logˈi·cal adjective
- crypˌto·zo·olˈo·gist noun