透とう過か性せい

noun

transparency; permeability

Technical term used in physics, materials science, and related fields. Refers to the property of allowing light or other substances to pass through.

• このフィルムは高たかい透とう過か性せいを持もっている。

  This film has high transparency.

• 膜まくの透とう過か性せいを測そく定ていする実じっ験けんを行おこなった。

  We conducted an experiment to measure the permeability of the membrane.