lignin sulfonate

noun Chemistry.

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.

Nearby words

ligni-, lignicolous, ligniform, lignify, lignin, lignin sulfonate, lignite, lignitic, lignivorous, ligno-, lignocaine

Also called lig·no·sul·fo·nate

[lig-nuh-suhl-fuh-neyt] /ˌlɪg nəˈsʌl fəˌneɪt/.