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disease

[dih-zeez] /dɪˈziz/
noun
1.
a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency or imbalance, toxicity, or unfavorable environmental factors; illness; sickness; ailment.
2.
any abnormal condition in a plant that interferes with its vital physiological processes, caused by pathogenic microorganisms, parasites, unfavorable environmental, genetic, or nutritional factors, etc.
3.
any harmful, depraved, or morbid condition, as of the mind or society:
His fascination with executions is a disease.
4.
decomposition of a material under special circumstances:
tin disease.
verb (used with object), diseased, diseasing.
5.
to affect with disease; make ill.
Origin
1300-1350
1300-50; Middle English disese < Anglo-French dese(a)se, disaise; see dis-1, ease
Related forms
diseasedly, adverb
diseasedness, noun
Synonyms
1. morbidity, complaint, derangement, distemper, indisposition, infirmity, disorder, malady.
Antonyms
1. health. 5. cure.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for diseases
  • Bacterial canker and brown rot of stone fruit are serious diseases.
  • Used for prevention or eradication of powdery mildew, rust, and some lawn diseases.
  • Control pests and diseases with nonchemical methods or low-toxicity chemicals and by choosing varieties that resist disease.
  • Appropriate pesticides for specific problems are identified by name in the following sections on pests, diseases and weeds.
  • These older strains are much more susceptible to diseases.
  • Water and fertilizer needs differ between the two groups, and susceptibility to some pests and diseases varies as well.
  • Deer don't usually browse them, but the plants are subject to a number of pests and diseases.
  • Also, regularly clean up and discard fallen fruit, since it might harbor diseases and pests.
  • Most of the secondary plant metabolites are antioxidants, which help prevent human diseases.
  • Make sure the trees you are considering are not overly susceptible to pests or diseases.
British Dictionary definitions for diseases

disease

/dɪˈziːz/
noun
1.
any impairment of normal physiological function affecting all or part of an organism, esp a specific pathological change caused by infection, stress, etc, producing characteristic symptoms; illness or sickness in general
2.
a corresponding condition in plants
3.
any situation or condition likened to this: the disease of materialism
related
adjective pathological
Word Origin
C14: from Old French desaise; see dis-1, ease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for diseases

disease

n.

early 14c., "discomfort, inconvenience," from Old French desaise "lack, want; discomfort, distress; trouble, misfortune; disease, sickness," from des- "without, away" (see dis-) + aise "ease" (see ease). Sense of "sickness, illness" in English first recorded late 14c.; the word still sometimes was used in its literal sense early 17c.

Online Etymology Dictionary, © 2010 Douglas Harper
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diseases in Medicine

disease dis·ease (dĭ-zēz')
n.
A pathological condition of a body part, an organ, or a system resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for diseases

disease

Related Terms

foot-in-mouth disease


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Encyclopedia Article for diseases

disease

a harmful deviation from the normal structural or functional state of an organism. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state. Thus, the normal condition of an organism must be understood in order to recognize the hallmarks of disease. Nevertheless, a sharp demarcation between disease and health is not always apparent

Learn more about disease with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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9
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