diseases
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pluralof disease.plural
The grammatical form denoting more than one person, place, thing, or idea.
diseasenouna 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.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But growing evidence suggests that when these dormant viruses become active again, they may play a role in autoimmune diseases and other long-lasting health conditions.
From Science Daily ● Aug. 16, 2026
The same mosquito carries the diseases Zika and Chikungunya.
From Los Angeles Times ● Aug. 16, 2026
Consulting firm ZS has built tools for drugmakers designed to screen patients who may have rare diseases, said Bill Coyle, ZS’s region managing principal for Europe.
From The Wall Street Journal ● Aug. 15, 2026
The discovery could reshape scientists' understanding of brain aging and may eventually create new possibilities for treating neurological diseases.
From Science Daily ● Aug. 14, 2026
The diseases of his patients lay scattered in his mind.
From "The Heart is a Lonely Hunter" by Carson McCullers
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