The word "stratified" is correct and can be used in written English.
To stratify something means to divide it into different layers or categories, usually based on some kind of shared quality. For example, you could say "The population was stratified based on income level."
Thus not every substitution-instance of a stratified formula is stratified.
America is becoming a stratified society based on education: a meritocracy.But what if education itself becomes stratified?
Egalitarian places such as Scandinavia outperform highly stratified ones, including Britain.In this section On equality Great aspirations The bombs of August An ever-upward spiral From him that hath shall be taken Far from victimless ReprintsThe book was quickly brandished by the left as vindication of social democracy.
The income of people with just a high-school diploma was flat in 1975-99, whereas that of people with a bachelor's degree rose substantially, and that of people with advanced degrees rocketed.The education system is increasingly stratified by social class, and poor children have a double disadvantage.
He talked of opening the economy to the modernising forces of technology and the market, and of ending the corruption that pervades every stratum of an infinitely stratified country.
DESPITE the fact that India is stratified by age-old hierarchies, in no other poor country has democracy struck such deep roots so quickly.
Public statistics are both socioeconomic and environmental, and stratified into infinity.
Unfortunately, it is a property of many volcanic lakes to be stratified, with poisonous gases dissolved in the water at depth even though their surfaces are pristine.
It is also highly stratified, but people cannot improve their standing through their own efforts.
Ant societies are rigidly stratified and usually ruled by queens.
The winds in the stratosphere, where the balloons will fly, are, as the name suggests, stratified.
