noun
transparent body; transparent object
Technical term used in physics and optics to refer to an object or medium that allows light to pass through without significant scattering.
ガラスは代表的な透明体です。
Glass is a typical transparent body.
光が透明体を通過するとき、屈折が起こる。
When light passes through a transparent body, refraction occurs.
半透明体 refers to a translucent body, which allows some light to pass but scatters it.
Compound of 透明 (transparent) and 体 (body). The exact historical derivation is uncertain; the term is a straightforward Sino-Japanese technical coinage.