redox potential

This term is a specialized technical compound used primarily in chemistry, electrochemistry, and soil science. It describes the equilibrium between oxidation and reduction reactions in a system. In environmental science, it is a critical indicator of whether a system is aerobic or anaerobic, which directly influences the chemical form and solubility of metals and nutrients.

Because it refers to a specific physical property measured as a value, it is treated as an uncountable noun. It is almost always used in the singular form to describe the state of a specific environment or substance, though one might refer to "redox potentials" only when comparing the distinct values of multiple different chemical species or separate experimental samples.