"stratification" is a correct and usable word in written English.
It is a noun used to describe the division of something into different layers or classes. For example, "Studies have shown that economic stratification is still prevalent today."
But an outsider doesn't see any of this, and they're often blind to the social stratification and ghettoisation in their own cities".
Los Angeles's public schools, which mainly serve Latino children, perform poorly, raising fears of stratification along ethnic as well as economic lines.
And the Beaufort Sea's stratification is high in both summer and winter.
And global warming encourages stratification because it turns the ice into a layer of fresh water that sits on the surface.
This is not a function of SAT prep courses available to the affluent such coaching buys only a few dozen points but of the ability of these students to do well in a challenging academic setting.Mr Murray goes on to describe how self-sorting among the new cognitive elite leads to ever-increasing stratification.
At the same time, says Ngo Duc Thinh, who runs a centre for research into traditional beliefs in Hanoi, growing inequality and social stratification are prompting those at the bottom of the heap to turn to the spiritual world for solace.Now concerns are growing that many grieving families are being ripped off by charlatans claiming access to the spirit world.
They contain evidence of crossbedding that is, of stratification at an angle to the main plane of sedimentation.
Dr Tremblay concludes that the replenishment of nutrients is already limited by stratification, especially at high latitudes, and that global warming will make things worse.For Arctic productivity, the consequences are likely to be dire.
What he's saying is that Democrats and Republicans alike participate in and reproduce a collusion between government and business that entrenches wealth and stratification.
Class stratification, in other words, is more than a matter of income or inherited wealth.College graduates tend to marry college graduates.
But it is hard to believe that this surge of cash from the richest will have no impact at all.Whatever its causes, the stratification of American society is having profound consequences.
