Englishfor English speakers
stratification
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noun
the act or process or arranging persons into classes or social strata
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noun
the placing of seeds in damp sand or sawdust or peat moss in order to preserve them or promote germination
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noun
a layered configuration
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noun
forming or depositing in layers
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noun
the condition of being arranged in social strata or classes within a group
ratio
Noun
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A ratio is the comparison in size or number between two things. It is written mathx:y/math and read mathx/math to mathy/math. It is the same as the fraction math\frac {x} {y}/math.
The ratio of men's jobs to women's is 8 to 1.
But Germany now has one of the highest ratios of spending to GDP in the European Community.
The low student/teacher ratio makes this a great school.