anionic detergent

noun

Definition of anionic detergent 

: any of a class of synthetic detergents usually consisting essentially of an alkali metal salt or an ammonium salt of a strong acid containing 12 to 24 carbon atoms together with an inorganic salt (as sodium sulfate) and, for heavy-duty laundering, a builder (as sodium tripolyphosphate):as

a : an alkyl aryl sulfonate (as sodium dodecyl-benzene-sulfonate C12H25C6H4SO3Na)

b : a salt (as sodium lauryl sulfate C12H25SO4Na) of a sulfated alcohol

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First Known Use of anionic detergent

1942, in the meaning defined above

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The first known use of anionic detergent was in 1942

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