duration

From Wiktionary
duration is on the Academic Word List.

Pronunciation[change]

Noun[change]

Singular
duration

Plural
durations

  1. The time something takes, or how much time it takes.
    In the duration of his speech, ten more people came into the room
    The duration of this event will be three hours.
    For the duration of the work painting the rooms, you'll have to sleep in a different room.

Synonym[change]