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wool fast blue

noun, often capitalized W&F&B
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Definition of wool fast blue

: any of several blue azine acid dyes

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Dictionary Entries Near wool fast blue

Woolf

wool fast blue

wool fat

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Cite this Entry

“Wool fast blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wool%20fast%20blue. Accessed 27 Jun. 2022.

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