ânodo
1. The positively charged electrode in an electrochemical cell or vacuum tube through which electric current enters the device
In a battery, the anode is the negative terminal where oxidation occurs.
Em uma bateria, o ânodo é o terminal negativo onde ocorre a oxidação.
2. The electrode connected to the positive terminal of a power source in electrolysis
During electrolysis, ions migrate toward the anode.
Durante a eletrólise, os íons migram em direção ao ânodo.
3. In vacuum tubes, the plate that collects electrons emitted from the cathode
The anode in an X-ray tube becomes extremely hot due to electron bombardment.
O ânodo em um tubo de raios X fica extremamente quente devido ao bombardeamento de elétrons.
The term 'ânodo' is a specialized technical term with no cultural variation. It is used identically in Brazilian Portuguese, European Portuguese, and other Portuguese-speaking countries, particularly in academic, industrial, and scientific contexts. The concept is fundamental to understanding electrochemistry and electronics in educational curricula worldwide.
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