resin soap


Definition of resin soap

1 : soap made from resin as well as fat and containing sodium or potassium resinates especially : rosin soap
2 : a soapy substance formed from a resin (as rosin) and alkali, composed essentially of sodium or potassium resinates, and used especially in sizing paper or as an insecticide

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Cite this Entry

“Resin soap.” Dictionary, Merriam-Webster, Accessed 5 Oct. 2022.

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