Meanings
present singular third person sightens · participle present sightening · participle past sightened · past sightened
- transitivecalico-printingTo add a fugitive colour to (a paste), to enable the printer to determine whether the figures are well-printed or not.
The iron liquor should be sightened with logwood.
1830, Samuel Frederick Gray, The Chemistry of the Arts1 more example
Annexed is a specimen of calico in this stage of the process, the mordant on which is red liquor, “sightened” with a little decoction of peach-wood or similar dye-stuff.
1849, Edward Andrew Parnell, Dyeing and Calico-printing, page 132
Origin
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Cite this entry
sighten. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sighten
“sighten.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sighten. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “sighten,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sighten.
Source: sighten on Wiktionary, CC BY-SA 4.0.