ˈlüd.ēə̇n, ˈlütē- noun
( -s )
Etymology: New Latin lute um (in corpus luteum ) + English -in
1. : a red-orange crystalline carotenoid alcohol C 40 H 54 (OH) 2 occurring especially in plants usually with carotenes and chlorophylls but also in animal fat, egg yolk, and corpus luteum; a dihydroxy-α-carotene — called also xanthophyll
2. : a preparation (as a hormone) from corpus luteum