pos>pref. [ L. luteus. ] (Chem.) A combining form signifying orange yellow or brownish yellow. [ 1913 Webster ]

a. (Chem.) Pertaining to, or designating, certain compounds of cobalt having a yellow color. Cf. Cobaltic. [ 1913 Webster ]

Luteocobaltic chloride (Chem.), a brilliant reddish yellow crystalline compound, Co2Cl6(NH3)12, obtained by the action of ammonium chloride on an ammoniacal solution of cobaltic chloride. [ 1913 Webster ]

n. [ From NL. Reseda luteola, fr. L. luteolus yellowish, fr. luteus: cf. F. lutéoline. See Luteous. ] (Chem.) A yellow dyestuff obtained from the foliage of the dyer's broom (Reseda luteola). [ 1913 Webster ]

a. [ L. luteus, fr. lutum dyer's broom, weld, which is used as a yellow dye. ] Yellowish; more or less like buff. [ 1913 Webster ]