Pronunciation: (klô-rō'sis, klō-), [key]
1. an abnormally yellow color of plant tissues, resulting from partial failure to develop chlorophyll, caused by a nutrient deficiency or the activities of a pathogen.
2. Also called greensickness. Pathol.a benign type of iron-deficiency anemia in adolescent girls, marked by a pale yellow-green complexion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.