相そう変へん態たい

noun

phase transformation; phase transition

Technical term in physics for a change between phases of matter, such as solid to liquid. Synonymous with 相転移 (そうてんい).

See also: 相転移

• 水みずの相そう変へん態たいは、温おん度どと圧あつ力りょくによって決きまる。

  The phase transformation of water is determined by temperature and pressure.

• この物ぶっ質しつは高こう温おんで相そう変へん態たいを起おこす。

  This substance undergoes a phase transition at high temperatures.