aluminum soap

noun

Definition of aluminum soap

: any of various aluminum salts of higher carboxylic acids (as fatty acids) including aluminum stearate and aluminum resinate that are amorphous solids insoluble in water but soluble in hydrocarbon solvents and that are used chiefly in lubricating greases, in protective coatings, and in waterproofing compositions

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First Known Use of aluminum soap

1891, in the meaning defined above

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The first known use of aluminum soap was in 1891

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Cite this Entry

“Aluminum soap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aluminum%20soap. Accessed 27 Sep. 2020.

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