1. An action or deed that is specific, defined, or clearly identified in nature, scope, or objective
The contract specifies a determined act that must be completed by the end of the month.
O contrato especifica um ato determinado que deve ser concluído até o final do mês.
2. In legal contexts, a concrete and defined action as opposed to a general obligation
The court ruled that the defendant must perform a determined act rather than pay damages.
O tribunal determinou que o réu deve executar um ato determinado em vez de pagar indenização.