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Meaning of naphthol blue | Babel Free

Noun CEFR B2

Definitions

Dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

naphthol orange naphthol yellow naphtholate naphtholic naphtholsulphonate naphthonitrile

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