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If you have an illness, there is something wrong with your health. An illness can last for a long time or a short time, and its effects can be serious or not serious.
You can use the adjectives long and short in front of illness, but not in front of disease.
A disease is a particular kind of illness caused by bacteria or an infection. Diseases can often be passed from one person to another.
Animals and plants can also have diseases, but not illnesses.
|Noun||1.||disease - an impairment of health or a condition of abnormal functioning|
illness, sickness, unwellness, malady - impairment of normal physiological function affecting part or all of an organism
disease of the neuromuscular junction - a disease characterized by impairment of neuromuscular junctions
aspergillosis - disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs
anthrax - a disease of humans that is not communicable; caused by infection with Bacillus anthracis followed by septicemia
blackwater - any of several human or animal diseases characterized by dark urine resulting from rapid breakdown of red blood cells
cat scratch disease - a disease thought to be transmitted to humans by a scratch from a cat
complication - any disease or disorder that occurs during the course of (or because of) another disease; "bed sores are a common complication in cases of paralysis"
crud - an ill-defined bodily ailment; "he said he had the crud and needed a doctor"
endemic, endemic disease - a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location
enteropathy - a disease of the intestinal tract
incompetence - inability of a part or organ to function properly
Kawasaki disease, mucocutaneous lymph node syndrome - an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause
boutonneuse fever, Indian tick fever, Kenya fever, Marseilles fever - a disease (common in India and around the Mediterranean area) caused by a rickettsia that is transmitted to humans by a reddish brown tick (ixodid) that lives on dogs and other mammals
Meniere's disease - a disease of the inner ear characterized by episodes of dizziness and tinnitus and progressive hearing loss (usually unilateral)
milk sickness - caused by consuming milk from cattle suffering from trembles
mimesis - any disease that shows symptoms characteristic of another disease
industrial disease, occupational disease - disease or disability resulting from conditions of employment (usually from long exposure to a noxious substance or from continuous repetition of certain acts)
onychosis - any disease or disorder of the nails
rheumatism - any painful disorder of the joints or muscles or connective tissues
periarteritis nodosa, polyarteritis nodosa - a progressive disease of connective tissue that is characterized by nodules along arteries; nodules may block the artery and result in inadequate circulation to the particular area
liver disease - a disease affecting the liver
communicable disease - a disease that can be communicated from one person to another
exanthema subitum, pseudorubella, roseola infantilis, roseola infantum - a viral disease of infants and young children; characterized by abrupt high fever and mild sore throat; a few days later there is a faint pinkish rash that lasts for a few hours to a few days
respiratory disease, respiratory disorder, respiratory illness - a disease affecting the respiratory system
congenital disease, genetic abnormality, genetic defect, genetic disease, genetic disorder, hereditary condition, hereditary disease, inherited disease, inherited disorder - a disease or disorder that is inherited genetically
inflammatory disease - a disease characterized by inflammation
autoimmune disease, autoimmune disorder - any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues
deficiency disease - any disease caused by a lack of an essential nutrient (as a vitamin or mineral)
cystic breast disease, cystic mastitis, fibrocystic breast disease, fibrocystic disease of the breast - the presence of one or more cysts in a breast
goiter, goitre, struma, thyromegaly - abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet
pappataci fever, phlebotomus, sandfly fever - a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii
kidney disease → maladie rénale
liver disease → maladie du foie
respiratory disease → maladie respiratoire heart disease