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In today’s world—dominated by science and technology—a definition holds value only when it can be operationalized, meaning it can be measured or tested in a structured way. For example, in modern contexts, beauty may be defined as:

2. Physical appearance, often associated with symmetry or fairness.
3. A mathematical property, such as proportions following the Fibonacci sequence or the Golden Ratio, which are often linked to aesthetic appeal in art, nature, and even human faces.

These definitions are fundamentally different from earlier, more philosophical interpretations. Instead of treating beauty as an abstract or divine quality, modern definitions attempt to make it measurable and explainable.

Why Scientific Definitions Appeal to Us

One reason scientific definitions are preferred is that they eliminate ambiguity and follow logical structures (as emphasized in the analytical tradition of philosophy). Whether or not these definitions reflect a “true” essence of beauty is less important than their ability to be practically applied.

The key idea is that when we alter specific values or conditions, our perception of beauty also changes in a predictable way.