lignin sulfonate
nounChemistry.
a brown powder consisting of a sulfonate salt made from waste liquor of the sulfate pulping process of soft wood: used in concrete, leather tanning, as an additive in oil-well drilling mud, and as a source of vanillin.
- Also called lig·no·sul·fo·nate [lig-nuh-suhl-fuh-neyt]. /ˌlɪg nəˈsʌl fəˌneɪt/.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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