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intergrade

American  
[in-ter-greyd, in-ter-greyd] / ˈɪn tərˌgreɪd, ˌɪn tərˈgreɪd /

noun

  1. an intermediate grade, form, stage, etc.


verb (used without object)

intergraded, intergrading
  1. to merge gradually, one into another, as different species through evolution.

intergrade British  

verb

  1. (intr) (esp of biological species, etc) to merge one into another

"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

noun

  1. 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

Other Word Forms

Etymology

Origin of intergrade

First recorded in 1870–75; inter- + grade

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

However, all indications point to this area as being the region where aura and teter intergrade.

From Birds from Coahuila, Mexico by Emil K. Urban

If Geomys lutescens major Davis is correctly judged to intergrade with Geomys bursarius majusculus Swenk, the name for the full species will be Geomys bursarius because bursarius is the oldest name among those available.

From Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11] by E. Raymond (Eugene Raymond) Hall

In northeastern Coahuila pallida seems to intergrade with castanogastris; No. 29414 has an indistinct rusty chestnut patch on its abdomen, thus resembling castanogastris.

From Birds from Coahuila, Mexico by Emil K. Urban

Most likely this is the result of an examination of the intergrades only, for they do intergrade with the California species to the northward.

From Game Birds and Game Fishes of the Pacific Coast by Harry Thom Payne

A. r. tenuirostris and boucardi seem to intergrade in central and even southern Coahuila.

From Birds from Coahuila, Mexico by Emil K. Urban

There the lower elevations west of the Wasatch and Uinta mountains are inhabited by S. v. vagrans, the higher elevations by obscurus and where the ranges of the two abut intergrading populations occur.

From Speciation of the Wandering Shrew by James S. Findley

These intergrading forms I have only seen in Mexican material.

From North American Species of Cactus by John Merle Coulter

No. 31633 shows no sign of intergrading with J. p. phaeonotus to the south.

From Birds from Coahuila, Mexico by Emil K. Urban

Sierra Nevada of California, north at least to El Dorado County, intergrading northerly with S. v. vagrans.

From Speciation of the Wandering Shrew by James S. Findley

Some of the animals are practically indistinguishable in color and there are intergrading cranial characters in the nasals, zygomatic arches and tympanic bullae.

From The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. by Stephen D. Durrant

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