経けい時じ

noun

passage of time; aging

Technical noun used in scientific, medical, or engineering contexts to refer to changes over time or the effect of time on materials, organisms, or data.

• 薬やく品ひんの経けい時じ変へん化かを調しらべる。

  We investigate the changes over time of the chemical.

noun which may take the genitive case particle 'no'

chronological; time-dependent; age-related

Adjectival use (経時の) in technical writing to describe something that varies with time, is arranged by time, or is related to aging.

• 経けい時じ的てきなデータをグラフに示しめす。

  We show the chronological data in a graph.