Definitions
from The Century Dictionary.
- noun A red compound, C16H8O4N2, prepared by the action of sulphuric acid on dinitro-diphenyl-diacetylene. It crystallizes in needles, and is readily converted into indigo by reducing agents.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A red crystalline nitrogenous substance of artificial production, which by reduction passes directly to indigo.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry A
synthetic redcrystalline nitrogenous substance which byreduction passes directly toindigo .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
di- + isatogen
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