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sulfonation

[suhl-fuh-ney-shuh n]
noun Chemistry.
  1. the process of attaching the sulfonic acid group, –SO3H, directly to carbon in an organic compound.
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Origin of sulfonation

First recorded in 1885–90; sulfonate + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018