azo dye

1. 1.

   any dye containing one or more azo groups

   Broaderdye

   Narrowercongo redmethyl orange

Questions about azo dye

What does azo dye mean?

azo dye means "any dye containing one or more azo groups".

Is azo dye a common word?

azo dye is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.