減げん弱じゃく

noun, noun or participle which takes 'suru'

reduction; weakening; attenuation

Technical term used in scientific, medical, or engineering contexts to describe a decrease in intensity, strength, or effect. Often appears in compound nouns or as a suru-verb.

• 放ほう射しゃ線せんの減げん弱じゃくを測そく定ていする。

  Measure the attenuation of radiation.

• 薬くすりの効こう果かが時じ間かんとともに減げん弱じゃくした。

  The drug's effect weakened over time.