411 REFERENCE · Wiktionary
Saxon blue
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
en
Noun
-
A solution of indigo in concentrated sulphuric acid, used as a dye
Synonyms
en Saxony blue, Großenhainer Blau, Hayner Blau, indigo carmine, FD&C Blue #2 in the US, and E132 in the EU
See also
saxe blue
References
OED 2nd Edition