malaria

noun

ma·​lar·​ia mə-ˈler-ē-ə How to pronounce malaria (audio)
1
a
: a human disease that is caused by sporozoan parasites (genus Plasmodium) in the red blood cells, is transmitted by the bite of anopheline mosquitoes, and is characterized by periodic attacks of chills and fever
b
: any of various diseases of birds and mammals caused by blood protozoans
2
archaic : air infected with a noxious substance capable of causing disease
especially : miasma
malarial adjective
malarious adjective

Examples of malaria in a Sentence

Recent Examples on the Web By then, the Yanomami were enduring a crisis, with malaria, hunger, and infant malnutrition spreading widely; hundreds of children had died. Jon Lee Anderson, The New Yorker, 1 Apr. 2024 The World Health Organization approved a new and affordable malaria vaccine. Linda McNamar, Orange County Register, 25 Feb. 2024 Other sessions at this year’s meeting will explore new malaria vaccines poised to save tens of thousands of children each year, the observation of gravitational waves from supermassive black holes in motion, and the development of a new class of drugs that targets obesity and related diseases. Philip Distefano, The Denver Post, 16 Feb. 2024 Massa Marittima Closer to the Tyrrhenian coast, Massa Marittima is an ancient hill town that has survived the Black Plague, sieges, malaria, and Nazi invaders. Elizabeth Heath, Travel + Leisure, 25 Jan. 2024 That includes efforts to develop new vaccines and cheap supplies to curb malaria, polio and maternal deaths. Francine Lacqua, Fortune, 16 Jan. 2024 In Africa, climate change has led to more hunger, malaria, dengue fever and flooding, Mr. Taalas said. Jenny Gross, New York Times, 30 Nov. 2023 For example, lymphomas that have the EBV proteins are more common in areas of the world where malaria is prevalent.10 People who are immunocompromised are particularly prone to developing cancers related to EBV. Anju Goel, Verywell Health, 25 Mar. 2024 In this century, Bush launched the President’s Emergency Plan for AIDS Relief, known as PEPFAR, which has saved over 25 million lives, primarily in sub-Saharan Africa, and the President’s Malaria Initiative, which has prevented more than 1.5 billion cases of malaria. Bernie Sanders, Foreign Affairs, 18 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'malaria.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Italian, from mala aria bad air

First Known Use

1740, in the meaning defined at sense 2

Time Traveler
The first known use of malaria was in 1740

Dictionary Entries Near malaria

Cite this Entry

“Malaria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malaria. Accessed 25 Apr. 2024.

Kids Definition

malaria

noun
ma·​lar·​ia mə-ˈler-ē-ə How to pronounce malaria (audio)
: a disease caused by protozoan parasites in the red blood cells, passed from one individual to another by the bite of mosquitoes, and marked by periodic attacks of chills and fever
malarial adjective

Medical Definition

malaria

noun
ma·​lar·​ia mə-ˈler-ē-ə How to pronounce malaria (audio)
1
: an acute or chronic disease caused by the presence of sporozoan parasites of the genus Plasmodium in the red blood cells, transmitted from an infected to an uninfected individual by the bite of anopheline mosquitoes, and characterized by periodic attacks of chills and fever that coincide with mass destruction of blood cells and the release of toxic substances by the parasite at the end of each reproductive cycle
malaria remains the greatest single cause of debilitation and death throughout the worldJournal of the American Medical Association
see falciparum malaria, vivax malaria
2
: any of various diseases of birds and mammals that are more or less similar to malaria of human beings and are caused by blood protozoans

More from Merriam-Webster on malaria

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