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duration

[C/U] Both

pl: durations

This term carries a clinical or technical tone, focusing on the precise measurement of a time span from start to finish. It is frequently used in legal contracts, travel itineraries, and scientific reports to establish a hard boundary of time. While "length" is a more general term for distance or time, "duration" specifically emphasizes the persistence of a state or the continuous flow of an event. It suggests a fixed window of time that must be completed or endured.

Countable when referring to specific measured intervals (e.g., different durations of a movie). Uncountable when referring to the general concept of how long something lasts.

💬Conversación Casual

🎬Tuesday afternoon, Sarah is hiding in the breakroom to avoid a meeting.

Jessica

David wants the screen recording. What was the total duration?

Sarah

I'm still trimming it down so he doesn't lose his mind.

💡

Jessica is anxious about providing a specific metric to their boss, while Sarah uses the idiom 'lose his mind' to describe David's tendency to overreact to long or inefficient presentations.

Meanings

Noun

[time]

The length of time during which something continues or exists.

"The duration of the flight is approximately six hours."

Last Updated: May 26, 2026•Report an Error