noun · the quality or property of being sticky or having the ability to adhere to other surfaces

这种胶带具有很强的粘性。

noun · the physical property of being sticky or adhesive; gluing strength

这种胶水的黏性很强，很难从手上洗掉。

noun · the degree to which a fluid resists flow

液体的黏性会随着温度的升高而降低。