[noun in-ter-greyd; verb in-ter-greyd]
- an intermediate grade, form, stage, etc.
- to merge gradually, one into another, as different species through evolution.
Origin of intergrade
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for intergrade
For the present it seems best to regard the specimen merely as an intergrade.American Weasels
E. Raymond Hall
They intergrade with trumbullensis in the size and shape of the zygomatic arches and tympanic bullae.The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1
Stephen D. Durrant
The specimen from Chanquejelve is an intergrade between the two subspecies just mentioned.New Subspecies of the Rodent Baiomys From Central America
Robert L. Packard
The two subspecies of the Violet-green Swallow, thalassina and lepida, intergrade in Coahuila.
The subspecies cahooni and compositus of the Brown-throated Wren seem to intergrade in the southern part of the State.
- (intr) (esp of biological species, etc) to merge one into another
- an intermediate stage or form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012