gray sour

noun

1
: treatment (as of cotton) with dilute hydrochloric or sulfuric acid after scouring and before bleaching
2
: the bath or solution used in the gray sour

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Cite this Entry

“Gray sour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gray%20sour. Accessed 24 Nov. 2024.

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