半はん透とう明めい体たい

noun

semitransparent body; translucent body

Technical term used in physics, optics, and materials science to describe an object that allows light to pass through diffusely.

• 半はん透とう明めい体たいは光ひかりを拡かく散さんして通とおす性せい質しつがある。

  A translucent body has the property of diffusing and transmitting light.