8 letters · 10 points in Scrabble
noun an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver
noun yellow or orange-red fat-soluble pigments in plants
originEtymology tree English car(r)ot English -ene English carotene From car(r)ot + -ene.
Etymology from Wiktionary, CC BY-SA 3.0