Chlorosis \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.

Source: Webster's Revised Unabridged Dictionary (1913)