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.
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.
We show the chronological data in a graph.
chronological; over time; temporal
elapsed aging; time-based priority
Compound of 経 (pass, elapse) and 時 (time). The exact historical derivation is uncertain, but the word is a modern technical coinage.