時じ間かん反はん転てん

noun

time reversal

Physics term referring to the theoretical operation of reversing the direction of time, often discussed in the context of symmetry in physical laws.

• 時じ間かん反はん転てん対たい称しょう性せいは、物ぶつ理り学がくの基き本ほん的てきな概がい念ねんの一ひとつです。

  Time reversal symmetry is one of the fundamental concepts in physics.

• この理り論ろんでは、時じ間かん反はん転てんが起おきても物ぶつ理り法ほう則そくは変かわらないとされる。

  In this theory, it is assumed that the laws of physics remain unchanged even if time reversal occurs.