duration
n. uncountablen. the length of time that something lasts. You use this word to talk about how long a meeting, a movie, or a contract continues from start to finish.
n. the period of time during which something continues or exists. Often used in formal or technical contexts to specify a temporal span.
The duration of the flight is about three hours.
The bank offers a fixed interest rate for the entire duration of the loan agreement.
While the initial phase of the study was brief, the total duration of the research project spanned several years to ensure the data remained consistent across different seasons.
From Middle English duracioun, from late Old French duracion, from Medieval Latin dūrātiō.
Often used in the phrase 'for the duration of' followed by a noun phrase.