Englishfor English speakers
duration
Noun
—
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.
tetany
—
noun
clinical neurological syndrome characterized by muscular twitching and cramps and (when severe) seizures; associated with calcium deficiency (hypoparathyroidism) or vitamin D deficiency or alkalosis