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leuco base

[loo-koh] /ˈlu koʊ/
noun, Chemistry.
a noncolored or slightly colored compound that is produced by reducing a dye and is readily oxidized to regenerate the dye.
Origin of leuco base
First recorded in 1885-90; independent use of leuco- Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for leuco base

leuco base

a colourless compound formed by reducing a dye so that the original dye can be regenerated by oxidation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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