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Meaning of naphthol orange | Babel Free

Noun CEFR B2

Definitions

an azo dye, used for dyeing wool

CEFR level

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

See also

naphthol yellow naphtholate naphtholic naphtholsulphonate naphthonitrile naphthopyran

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