luteicadj.

/l(j)uːˈtiːɪk/Etymology: < Latin lūteus yellow + -ic suffix.
Chemistry.
1892 M. M. P. Muir & H. F. Morley Luteic acid C26H20O12(?)..A yellow colouring matter prepared from the flowers of Euphorbia Cyparissias.
This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2018).