CONGO RED
| Pronunciation (US): |  |
Dictionary entry overview: What does congo red mean? • CONGO RED (noun)
The noun CONGO RED has 1 sense:
1. a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
Familiarity information: CONGO RED used as a noun is very rare.
Dictionary entry details
• CONGO RED (noun)
Meaning:
A red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
Classified under:
Nouns denoting substances
Hypernyms ("congo red" is a kind of...):
acid-base indicator (an indicator that changes color on going from acidic to basic solutions)
azo dye (any dye containing one or more azo groups)
Domain category:
solution (a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution)
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