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 Still, there are around 2,000 malaria cases in the US each year, all linked to travel to areas with malaria transmission. Beth Mole, Ars Technica, 13 Oct. 2023 Clinical trials showed promise for malaria vaccines that might protect the children who make up the bulk of malaria deaths. Stephanie Nolen Malin Fezehai, New York Times, 29 Sep. 2023 Despite efforts to eradicate mosquitos carrying the Plasmodium falciparum parasite—the deadliest source of malaria on the African continent—and the use of protective nets and coating the walls of houses with insecticides, malaria still killed 608,000 people in 2022. David Cox, WIRED, 22 Jan. 2024 When malaria was diagnosed, the patient was given the malaria treatment of artemether-lumefantrine (Coartem). Beth Mole, Ars Technica, 13 Oct. 2023 Incremental deaths from malaria in Pakistan far exceeded direct deaths from the floods. Peter Sands, Forbes, 30 Nov. 2023 Worldwide, poor sanitation kills more children annually than AIDS, malaria, and measles combined. Oliver Franklin-Wallis, WIRED, 30 Nov. 2023 The answer is that those who inherit one copy of the sickle cell gene mutation are somewhat protected from malaria. Gina Kolata, New York Times, 15 Nov. 2023 On a nine-week expedition, a 25-person crew battled malaria and earthquakes, and one student researcher even had a leech stuck in their eye for 33 hours. Natalie Kainz, NBC News, 10 Nov. 2023 See More

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 4 Mar. 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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