Duration

Duration may refer to: The amount of time elapsed between two events Duration of action, how long a drug produces its effects Duration (finance) – the weighted average time until the various cash flows from a security, such as a bond, are received Duration (music) – an amount of time or a particular time interval, often cited as one of the fundamental aspects of music Duration (philosophy) – a theory of time and consciousness first proposed by Henri Bergson Duration (project management) – the number of calendar periods for the completion of a project in project management For duration in phonetics and phonology (the feature of being pronounced longer) see Length (phonetics)

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