( n. )
A name given to any one of several yellow or scarlet dyestuffs of artificial production and complex structure. In general they are diazo and sulphonic acid derivatives of benzene and naphthol.
( n. )
A name given to any one of several yellow or scarlet dyestuffs of artificial production and complex structure. In general they are diazo and sulphonic acid derivatives of benzene and naphthol.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012