属性 (shǔ xìng) literally combines 属 (shǔ), meaning 'to belong to' or 'category', and 性 (xìng), meaning 'nature' or 'quality'. Together, they form a noun meaning 'attribute' or 'property' — a defining characteristic inherent to something. It is widely used in technical, academic, and everyday contexts to describe features such as color, size, behavior, or function.

This word appears frequently in biology (e.g., describing physical or behavioral traits of animals), computer science (data attributes), philosophy (essential qualities), and even casual speech ('This phone’s battery life is one of its key attributes'). While it sounds formal, it’s common in written Chinese and spoken explanations — especially when classifying or comparing things. Unlike more colloquial terms like 特点 (tèdiǎn, 'feature'), 属性 emphasizes inherent, objective qualities rather than subjective impressions.