Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
An orange-red crystalline substance, C8H5NO2, obtained by theoxidation of indigo blue. It is also produced from certainderivatives of benzoic acid, and is one important source ofartificial indigo. [Written also, less properly, isatine.]
A red crystalline compound used in the manufacture of dyes.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
