Lū'te-o-lē'īne or Lū'te-o-line, n.

n. [Fr. luteoline, from N. Lat. reseda luteola, weld, from Lat. luteolus, yellowish, from luteus, golden-yellow, properly, colored with the herb lutum. See supra.] (Chem.) A yellow coloring matter found in weld.