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acid number
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noun Chemistry.
a number expressing the acidity of a substance, equal to the number of milligrams of potassium hydroxide needed to neutralize the free fatty acids present in one gram of the substance.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…
Also called acid value.
Words nearby acid number
acidimetry, acidity, acidize, acid-loving, acid metaprotein, acid number, acidogenic, acidolysis, acidometer, acidophil, acidophilic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use acid number in a sentence
The saponification number and acid number are both very low, but a fatty oil is present.