Meanings
plural naphthol blues
- Dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.
Cite this entry
naphthol blue. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/naphthol%20blue
“naphthol blue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/naphthol%20blue. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “naphthol blue,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/naphthol%20blue.
Source: naphthol blue on Wiktionary, CC BY-SA 4.0.