ˈrubiaterare. [f. L. rubia madder + -ate1.] (See quots.) 1835Field Chromatogr. 97 Rubric, or Madder Lakes.., have obtained..the various names of rose rubiates, rose madder, pink madder, and Field's lakes.Ibid. 98 Liquid rubiate..is a concentrated tincture of madder.