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intergradation

[ in-ter-grey-dey-shuh n ]

/ ˌɪn tər greɪˈdeɪ ʃən /

noun

the act or process of intergrading or the state of being intergraded.

an evolutionary process by which different species of organisms tend to merge through a series of intermediate stages or grades.

Words nearby intergradation

intergenerational mobility, intergeneric, interglacial, interglyph, intergovernmental, intergradation, intergrade, intergranular, intergroup, intergrowth, interhemispheric

Origin of intergradation

First recorded in 1870–75; inter- + gradation

OTHER WORDS FROM intergradation

in·ter·gra·da·tion·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for intergradation

Consequently it is unlikely that intergradation with other populations could exist at the present time.
Comments on the Taxonomy and Geographic Distribution of Some North American Rodents|E. Raymond Hall
Intergradation with neomexicana is suggested by one specimen, no. 7936, Univ.
American Weasels|E. Raymond Hall
Details of one such instance of intergradation are given in the account of Mustela frenata spadix.
American Weasels|E. Raymond Hall
Intergradation is noted with Zapus hudsonius pallidus and is discussed in the account of that subspecies.
North American Jumping Mice (Genus Zapus)|Philip H. Krutzsch

Probably this greater breadth is the result of intergradation with M. f. frenata to the westward.
American Weasels|E. Raymond Hall

The
2019 WORD
OF THE YEAR is...