CONGO RED


Meaning of CONGO RED in English

transcription, транскрипция: [ ˈkäŋ-(ˌ)gō- ]

noun

Etymology: Congo, territory in Africa

Date: 1885

: an azo dye C 32 H 22 N 6 Na 2 O 6 S 2 that is red in alkaline and blue in acid solution and that is used especially as an indicator and as a biological stain

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.