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1. The yellowing or whitening of normally green plant tissue because of a decreased amount of chlorophyll, often as a result of disease or nutrient deficiency.
2. An iron-deficiency anemia, primarily of young women, characterized by a greenish-yellow discoloration of the skin. Also called greensickness.

chlo·rot′ic (-rŏt′ĭk) adj.
chlo·rot′i·cal·ly adv.


1. (Pathology) pathol Also called: greensickness a disorder, formerly common in adolescent girls, characterized by pale greenish-yellow skin, weakness, and palpitation and caused by insufficient iron in the body
2. (Plant Pathology) botany a deficiency of chlorophyll in green plants caused by mineral deficiency, lack of light, disease, etc, the leaves appearing uncharacteristically pale
[C17: from chloro- + -osis]
chlorotic adj


(klɔˈroʊ sɪs, kloʊ-)

1. an abnormally yellow color of plant tissues, resulting from partial failure to develop chlorophyll.
2. Also called greensickness. a benign iron-deficiency anemia in adolescent girls, marked by a pale yellow-green complexion.
[1675–85; < Greek chlōr(ós) yellowish green + -osis]
chlo•rot′ic (-ˈrɒt ɪk) adj.


1. a diseased condition of plants in which green parts lose their color or turn yellowish.
2. the process by which floral parts of a plant turn into leaves. Also chloranthy. See also disease and illness.
See also: Plants
green sickness; a disease of girls in puberty, characterized by, among other symptoms, greenishness of the skin.
See also: Disease and Illness
greensickness; a disease of girls in puberty, characterized by, among other symptoms, greenishness of the complexion.
See also: Complexion


The yellowing of leaves usually caused by a deficiency of iron.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chlorosis - iron deficiency anemia in young womenchlorosis - iron deficiency anemia in young women; characterized by weakness and menstrual disturbances and a green color to the skin
iron deficiency anaemia, iron deficiency anemia - a form of anemia due to lack of iron in the diet or to iron loss as a result of chronic bleeding


[klɔːˈrəʊsɪs] n (Med, Bot) → clorosi f


n. clorosis, tipo de anemia vista esp. en la mujer y usualmente relacionada con deficiencia de hierro.
References in periodicals archive ?
Chlorosis, yellowing of leaves, gummosis and necrosis are some of the diseases found in plants because of deficiency of micronutrients.
How is it spread and what preventive measures can farmers take?Its symptoms include severe chlorosis or loss of green colouration on leaves and their mottling.
Chlorosis induced by iron (Fe) deficiency is common in plants grown in arid regions (Rombola and Tagliavini, 2006).
Phytotoxicity was ranked weekly for 4 wk using the following categories: chlorosis, chlorotic flecking, necrotic flecking, holes, tip chlorosis, and tip necrosis.
The symptoms of potassium deficiency in the plants consisted of mature leaves becoming opaque green, with dark punctures in the borders of the leaf limbs, followed by chlorosis, and intense necrosis (Figure 1c).
Chlorosis is the yellowing of leaves caused by a decrease in the amount of chlorophyll (green pigment) in the leaves.
The most visible external signs are canopy chlorosis, drought, and fall of pine needles, resin beads, and adult emergence holes.
Plants may develop chlorosis, however, if grown in very alkaline soil.
Leaf chlorosis, an important trait for nitrogen diagnosis, is traditionally measured by assessing leaf colour at a certain stage [19], but the development of chlorosis, which carries valuable information, is difficult to quantify with intermittent information.
Disease was recorded using 0-4 infection scale [14]: (0) no uredia or other macroscopic sign of infection, (;) no uredia, but hypersensitive necrotic or chlorotic flecks present, (1) small uredia surrounded by necrosis, (2) small to medium uredia often surrounded by chlorosis; green islands may be surrounded by chlorotic or necrotic border, (x) random distribution of variable-sized uredia on single leaf, (3) medium sized uredia that may be associated with chlorosis, and (4) large uredia without chlorosis.