全ぜん反はん射しゃプリズムじ字FuriganaMeanings1nountotal reflection prismTechnical term in optics; a prism that uses total internal reflection to redirect light.全ぜん反はん射しゃプリズムは、光ひかりを90度ど曲まげるのに使つかわれる。A total reflection prism is used to bend light by 90 degrees.
