the relationship between two groups of people or things that is represented by two numbers showing how much larger one group is than the other What is the ratio of men to women in the department? The school has a very high teacher-student ratio. The ratio of applications to available positions currently stands at 100:1.
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NAmE//ˈreɪʃiˌoʊ//, NAmE//ˈreɪʃoʊ//(pl. ratios) ratio (of A to B)