Leuco dye — A leuco dye is a dye whose molecules can acquire two forms, one of which is colorless.For example, the spiro form of an oxazine is a colorless leuco dye; the conjugated system of the oxazine and another aromatic part of the molecule is separated… … Wikipedia
leuco base — noun Etymology: International Scientific Vocabulary leuco + base : a colorless or weakly colored amine that is formed by reduction of a dye (as a triphenylmethane dye) or its carbinol derivative and that on oxidation and treatment with acids… … Useful english dictionary
Dye — For other uses, see Dye (disambiguation). Yarn drying after being dyed in the early American tradition, at Conner Prairie living history museum. A dye is a colored substance that has an affinity to the substrate to which it … Wikipedia
leuco ester — noun : a water soluble sodium salt of the sulfuric acid ester of the leuco compound of a vat dye that is applied to textiles and then oxidized in acid solution to the corresponding vat dye compare dye table I … Useful english dictionary
leuco base — /looh koh/, Chem. a noncolored or slightly colored compound that is produced by reducing a dye and is readily oxidized to regenerate the dye. [1885 90; independent use of LEUCO ] * * * … Universalium
leuco form — noun The colorless form of a dye created as a result of its insoluble form interacting with an alkaline liquor. Color returns to the dye upon oxidation … Wiktionary
leuco base — /lukoʊ ˈbeɪs/ (say loohkoh bays) noun a colourless or slightly coloured compound made by reducing a dye and which is readily oxidised to regenerate the dye …
dye base — noun : an organic base that is itself a dye or that with acids forms salts which are dyes called also color base; compare leuco base … Useful english dictionary
leuco-base — leuˈco base or leuˈco compound noun A colourless reduction product of a dye that can be converted back to the dye by oxidation • • • Main Entry: ↑leuc … Useful english dictionary
leuco-compound — leuˈco base or leuˈco compound noun A colourless reduction product of a dye that can be converted back to the dye by oxidation • • • Main Entry: ↑leuc … Useful english dictionary