1. The shortest period of time required or allowed for something to occur, exist, or be completed
The minimal duration of the contract is one year.
A duração mínima do contrato é de um ano.
2. In technical or scientific contexts, the least amount of time needed to achieve a specific result or meet a requirement
The minimal duration for the medication to take effect is 30 minutes.
A duração mínima para o medicamento fazer efeito é de 30 minutos.