shininess       
noun [ U ] uk/ˈʃaɪ.ni.nəs/ us/ˈʃaɪ.ni.nəs/
 光泽,光亮
the quality of being shiny
  The delicious shininess of its leaves more than makes up for its slow rate of growth. 叶子的美妙光泽足以弥补其缓慢的生长速度。 
 When searching for a missing object we are guided by a mental picture of its colour, size, shape, and shininess. 在寻找一个失踪物体时,我们会根据它的颜色、大小、形状和光泽的心理图景来引导我们。 
 See: shiny
 - More examples
 - We marvelled at the smoothness and shininess of the material because we had never seen anything like it before.
 - The shininess of the brass bell remained hidden under layers of soil and cobwebs.
 - They could all see the shininess of unshed tears in her eyes.