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 aspergilloses (audio) \

Definition of aspergillosis

: infection with or disease caused (as in poultry) by aspergillus molds

Examples of aspergillosis in a Sentence

Recent Examples on the Web Nine birds have died of a respiratory infection called aspergillosis, which is caused by an airborne fungus. Sarah Lazarus, CNN, "Can tech save the kakapo, New Zealand's 'gorgeous, hilarious' parrot?," 26 Dec. 2019 Aspergillus is a fungus whose spores are present in the air, but does not normally cause illness, according to the aspergillus & aspergillosis Website. Minyvonne Burke, NBC News, "1 patient died, 5 others infected from mold in operating room of Seattle Children's hospital," 4 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aspergillosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of aspergillosis

1896, in the meaning defined above

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The first known use of aspergillosis was in 1896

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Cite this Entry

“Aspergillosis.” Dictionary, Merriam-Webster, Accessed 15 Aug. 2020.

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More Definitions for aspergillosis


as·​per·​gil·​lo·​sis | \ ˌas-pər-(ˌ)jil-ˈō-səs How to pronounce aspergillosis (audio) \
plural aspergilloses\ -​ˌsēz How to pronounce aspergilloses (audio) \

Medical Definition of aspergillosis

: infection with or disease caused by molds of the genus Aspergillus

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