aspergillosis

noun

as·​per·​gil·​lo·​sis ˌa-spər-(ˌ)ji-ˈlō-səs How to pronounce aspergillosis (audio)
plural aspergilloses ˌa-spər-(ˌ)ji-ˈlō-ˌsēz How to pronounce aspergillosis (audio)
: infection with or disease caused (as in poultry) by aspergillus molds

Examples of aspergillosis in a Sentence

Recent Examples on the Web
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The product may also have been contaminated by Aspergillus mold, a fungus often found in soil that can cause a disease called aspergillosis, according to George Washington University. Julia Gomez, USA Today, 15 June 2026 In particular, inhaling Aspergillus fumigatus can cause serious lung problems, including invasive pulmonary aspergillosis, aspergilloma, allergic asthma, pneumonitis and allergic bronchopulmonary aspergillosis. New Atlas, 20 Sep. 2025 These include allergic bronchopulmonary aspergillosis (ABPA), allergic aspergillosis sinusitis, chronic pulmonary aspergillosis ICPA) and aspergilloma, also known as fungus ball, according to the CDC. Hollie Silverman, MSNBC Newsweek, 11 May 2025 Though not as severe as aspergillosis, these reactions can cause damage to the airway and lungs, especially in people with asthma. Cody Cottier, Discover Magazine, 5 May 2025 The overwhelming infection that results, invasive aspergillosis, occurs in more than two million cases worldwide every year. Maryn McKenna, Scientific American, 13 Feb. 2025 Aspergillus is invasive and can cause aspergillosis, an infection that's usually respiratory, according to Mayo Clinic. 2. Angelica Stabile, Fox News, 2 Oct. 2024 Salmonellosis, fungal issues such as aspergillosis and avian pox can also be concerns. USA TODAY, 26 Mar. 2024 Scientists also found that some kākāpō have genetic resistance to aspergillosis, a fungal respiratory disease. Rina Diane Caballar, Smithsonian Magazine, 26 Dec. 2023

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of aspergillosis was in 1896

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Cite this Entry

“Aspergillosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aspergillosis. Accessed 2 Jul. 2026.

Medical Definition

aspergillosis

noun
as·​per·​gil·​lo·​sis ˌas-pər-(ˌ)jil-ˈō-səs How to pronounce aspergillosis (audio)
plural aspergilloses -ˌsēz How to pronounce aspergillosis (audio)
: infection with or disease caused by molds of the genus Aspergillus

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