\Chlo*ro"sis\, n. [NL., fr. Gr. ? light green: cf. F.
chlorose.]
1. (Med.) The green sickness; an an[ae]mic disease of young
   women, characterized by a greenish or grayish yellow hue
   of the skin, weakness, palpitation, etc.
2. (Bot.) A disease in plants, causing the flowers to turn
   green or the leaves to lose their normal green color.