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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 ?
Plants may develop chlorosis, however, if grown in very alkaline soil.
The scale for IT was 0= no symptom; 0;= produce dead spots or chlorosis reaction, does not produce uredinium; 1=Uredinium is very small, and few in number, often does not break down, have withered reaction around; 2=Uredinium were small to medium, and not broken, have withered and chlorosis reaction around; 3= Uredinium were medium size and Cultivars broken, and no dead reaction of surrounding tissue, but there is a slight chlorosis; 4=Uredinium were more and broken abundant, and no dead reaction of surrounding tissue, early chlorosis phenomenon is not obvious.
claratris (Shumsher) (Thysanoptera: Thripidae) is a vector of Capsicum chlorosis virus in tomatoes (Premachandra et al.
2005) reported a high sensitivity to ethylene in peppers and observed chlorosis and leaf abscission in leaf primordia development with quick loss of vigor.
Nitrogen deficiency caused cessation of growth, inhibition of lateral rods, general chlorosis and necrosis in older leaves.
However, clear symptoms of toxicity, in the form of an internerval chlorosis in older leaves, were detected for the two highest Ni dosages from the mineral source (Figure 3).
Yellowing of leaves and interveinal chlorosis in plants, which is similar to nitrogen deficiency.
Tree health rate was evaluated by visual canopy rating using a 0-10-score scale specifically conceived for avocado trees, as follows: (0) healthy plant with shiny and dark-green leaves; (1) canopy with shiny, dark green leaves, with first wilt symptoms; (2) canopy with shiny, dark green leaves, showing moderate wilt symptoms; (3) initial leaf chlorosis, moderate to severe canopy wilt, but with no defoliation; (4) leaf chlorosis, moderate to severe canopy wilt, incipient defoliation; (5) moderate defoliation and sunburnt fruit; (6) severe defoliation, with no dead shoot tips yet; (7) dead tips on a few shoots; canopy with up to 50% of dead branches; (9) canopy with more than 50% of dead branches and (10) dead plant (BEZUIDENHOUT et al.
1) The incidence, on leaves, of chlorosis and necrosis as toxic symptoms of the Na+ and Cl-ions excess.
NUTRIENT DEFICIENCY SYMPTOMS Nutrient Position Chlorosis Leaf Margin Necrosis?
This edition has been revised to include recent information and has new chapters on Asian pear scab, Elsinoe leaf and fruit spot, brown spot, Sphaeropsis rot, Phacidiopycnis rot, speck rot, Asian pear blight, apple stem grooving, stem pitting, apple fruit crinkle, and Honeycrisp leaf chlorosis.
After 4 weeks, I assessed all plants visually for signs of leaf chlorosis (yellowing), an indication of deficiency in essential mineral nutrients (Vesk et al.