Euthiochroic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Euthiochroic \Eu`thi*o*chro"ic\, a. [Gr. e'y^ well + ? sulphur +
     ? color.] (Chem.)
     Pertaining to, or denoting, an acid so called.
     [1913 Webster]
  
     {Euthiochroic acid} (Chem.), a complex derivative of


        hydroquinone and sulphonic (thionic) acid. -- so called
        because it contains sulphur, and forms brilliantly colored
        (yellow) salts.
        [1913 Webster]