Also found in: Medical, Encyclopedia.
Related to allotypy: idiotype


1. Taxonomy A biological specimen that is the opposite sex of a holotype.
2. Immunology Any of several variants in the constant region of a given class or subclass of immunoglobulins that are caused by allelic variation and differ from individual to individual.

al′lo·typ′ic (-tĭp′ĭk) adj.
al′lo·ty′py (-tī′pē) n.
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.


the condition of being an allotypethe occurrence of allotypes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014