1. The largest amount or number of people, goods, or resources that something can hold, contain, or accommodate
The stadium reached maximum capacity during the concert.
O estádio atingiu sua capacidade máxima durante o concerto.
2. The highest level of production, output, or performance that a system or facility can achieve
The factory is operating at maximum capacity to meet the demand.
A fábrica está operando em capacidade máxima para atender à demanda.