intergrade

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Related to intergradation: integration

in·ter·grade

 (ĭn′tər-grād′)
intr.v. in·ter·grad·ed, in·ter·grad·ing, in·ter·grades
To merge into each other in a series of stages, forms, or types.
n. (ĭn′tər-grād′)
A transitional stage, form, or type.

in′ter·gra·da′tion (-grā-dā′shən) n.

intergrade

vb
(Biology) (intr) (esp of biological species, etc) to merge one into another
n
an intermediate stage or form
ˌintergraˈdation n
ˌintergraˈdational adj
ˌinterˈgradient adj

in•ter•grade

(n. ˈɪn tərˌgreɪd; v. ˌɪn tərˈgreɪd)

n., v. -grad•ed, -grad•ing. n.
1. an intermediate grade, form, stage, etc.
v.i.
2. to merge gradually one into another through a series of intermediate stages or grades, as different species through evolution.
[1870–75]
in`ter•gra•da′tion, n.
in`ter•gra•da′tion•al, adj.

intergrade


Past participle: intergraded
Gerund: intergrading

Imperative
intergrade
intergrade
Present
I intergrade
you intergrade
he/she/it intergrades
we intergrade
you intergrade
they intergrade
Preterite
I intergraded
you intergraded
he/she/it intergraded
we intergraded
you intergraded
they intergraded
Present Continuous
I am intergrading
you are intergrading
he/she/it is intergrading
we are intergrading
you are intergrading
they are intergrading
Present Perfect
I have intergraded
you have intergraded
he/she/it has intergraded
we have intergraded
you have intergraded
they have intergraded
Past Continuous
I was intergrading
you were intergrading
he/she/it was intergrading
we were intergrading
you were intergrading
they were intergrading
Past Perfect
I had intergraded
you had intergraded
he/she/it had intergraded
we had intergraded
you had intergraded
they had intergraded
Future
I will intergrade
you will intergrade
he/she/it will intergrade
we will intergrade
you will intergrade
they will intergrade
Future Perfect
I will have intergraded
you will have intergraded
he/she/it will have intergraded
we will have intergraded
you will have intergraded
they will have intergraded
Future Continuous
I will be intergrading
you will be intergrading
he/she/it will be intergrading
we will be intergrading
you will be intergrading
they will be intergrading
Present Perfect Continuous
I have been intergrading
you have been intergrading
he/she/it has been intergrading
we have been intergrading
you have been intergrading
they have been intergrading
Future Perfect Continuous
I will have been intergrading
you will have been intergrading
he/she/it will have been intergrading
we will have been intergrading
you will have been intergrading
they will have been intergrading
Past Perfect Continuous
I had been intergrading
you had been intergrading
he/she/it had been intergrading
we had been intergrading
you had been intergrading
they had been intergrading
Conditional
I would intergrade
you would intergrade
he/she/it would intergrade
we would intergrade
you would intergrade
they would intergrade
Past Conditional
I would have intergraded
you would have intergraded
he/she/it would have intergraded
we would have intergraded
you would have intergraded
they would have intergraded
References in periodicals archive ?
The extensive intergradation that has resulted from interbreeding is the chief cause of classification difficulties.
For example, what geographical and climatological determinants might dictate wide versus narrow zones of intergradation, and what variations in genetics and morphology can result from differential separation over time and distance?
He called for deeper intergradation to achieve more unified GCC accomplishments.
Nevertheless, the fact that our models performed reasonably well in light of the potential interpopulation (and ontogenetic) variation in our sample is encouraging; given the extensive zones of intergradation (Miller, 1931), such intermixing in shrike samples is more likely the rule than the exception.
Systematics of Gasterosteus aculeatus, with particular reference to intergradation and introgression along the Pacific Coast of North American: a commentary on a recent contribution.
The subspecies was first described in Wyoming (Nelson 1914), and subsequent morphological sampling by Peterson (1952) suggested its range to extend northward through Montana and into a zone of intergradation with the northwestern subspecies (A.
His studies indicated that the spores of Asian species have the greatest degree of exine ridge development, while those of the Hawaiian and Mesoamerican species show an intergradation, with the Mesoamerican species having the least developed ridges.
The intergradation between 'smooth' and 'costulate' is slight; even pronounced growth striae may be considered costulae, so that no sharp delimitation is observed here.
A mitochondrial DNA discontinuity in the mussel Mytilus galloprovincialis Lmk: Pleistocene vicariance biogeography and secondary intergradation.
A zone of intergradation occurs between the two subspecies in the San Joaquin Valley and throughout the San Francisco Bay Area wherein turtles exhibiting varying degrees of characteristics of both subspecies occur.
Smith & Chiszar proposed that there was a relatively broad intergradation zone between the two taxa that extends along a line from Terrell County, Texas, north to Collingsworth County (SE corner of Texas panhandle) east to Cooke County, and more or less southwest to Maverick County, Texas (see Figure 1 of Smith & Chiszar 1993).
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