Как по Английски будет угольный электрод

noun

The chemical element of atomic number 6, a non-metal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal.

Примеры использования:

Combustion, or burning, is a chemical process involving carbon, hydrogen and oxygen.

noun

A chemical element that is contained in all animals and plants, and that is an important part of other substances such as coal and oil, and exists in its pure form as diamonds and graphite