CONGO RED

Pronunciation (US):

(GB):

IPA (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)

Sense 1

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)