| Subject | English | Portuguese |
| accum. | button cell | elemento botão |
| environ., energ.ind. | button cell battery | pilha de botão |
| environ., energ.ind. | button cell battery | pilha tipo "botão" |
| energ.ind. | button cell battery | pilha botão |
| environ. | button-cell battery | pilha de mercúrio |
| environ. | button-cell battery | pilha tipo botão |
| environ. | button-cell battery A tiny, circular battery made for a watch or for other microelectric applications | pilhas de mercúrio |