minimum
nounUK /ˈmɪn.ɪ.məm/
US /ˈmɪn.ə.məm/
The smallest amount of something that is allowed or possible.
The minimum age to ride the roller coaster is six years old.
OTHER MEANINGS
2. The lowest point or level that something can reach.
The temperature dropped to a minimum during the night.
3. The smallest number or amount required by a rule or law.
You must work a minimum of twenty hours each week.
4. Used to describe the smallest or lowest possible size, amount, or degree.
He did the minimum amount of work needed to pass the test.