Definition of neutralization number
: a number indicating the degree of acidity or alkalinity of a substance determined by finding the amount of alkali or acid required for neutralization; specifically : the weight in milligrams of potassium hydroxide required to neutralize the acid in one gram of an oil (as a hydrocarbon oil)
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up neutralization number? Please tell us where you read or heard it (including the quote, if possible).