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Webster 1913 Edition
Euthiochroic
Euˊthi-o-chro′ic
,Adj.
[Gr.
εὖ
well + [GREEK] sulphur + [GREEK] color.] (Chem.)
Pertaining to, or denoting, an acid so called.
Euthiochroic acid
(Chem.)
, a complex derivative of hydroquinone and sulphonic (thionic) acid. – so called because it contains sulphur, and forms brilliantly colored (yellow) salts.