Neutral is a term used to describe the pH balance of a substance. The pH scale measures the acidity or basicity of a solution on a scale from 0 to 14. A pH of 7 is considered neutral, while values below 7 indicate acidity and values above 7 indicate basicity.

Therefore, a neutral substance has a pH of 7 and does not exhibit significant acidic or basic properties. For example, pure water has a pH value of 7 and is considered a neutral substance.