反はん射しゃ性せい

noun

reflectivity; reflectiveness

Physics term for the property of a surface to reflect light or other radiation.

• この素そ材ざいは反はん射しゃ性せいが高たかいため、光ひかりをよく反はん射しゃする。

  This material has high reflectivity, so it reflects light well.

noun

reflexivity; reflexiveness

Physiology term for the property of being reflexive, i.e., involving an involuntary response.

• 膝しつ蓋がい腱けん反はん射しゃは反はん射しゃ性せいの一いち例れいである。

  The patellar tendon reflex is an example of reflexivity.