1. A fixed fee or minimum charge that applies regardless of usage or additional services
The utility company charges a base charge of $15 per month before usage fees.
A companhia de serviços cobra uma taxa base de R$ 75 por mês antes das taxas de uso.
2. In chemistry, the fundamental charge associated with a chemical substance in its standard state
The base charge of the compound was determined through electrochemical analysis.
A carga base do composto foi determinada através de análise eletroquímica.
3. In business, the minimum or standard price before discounts or additional fees are applied
The hotel's base charge includes the room only; meals are charged separately.
A taxa base do hotel inclui apenas o quarto; refeições são cobradas separadamente.