Dictionary.com
Thesaurus.com

aspergillus

American  
[as-per-jil-uhs] / ˌæs pərˈdʒɪl əs /

noun

Mycology.
aspergilli plural
  1. any fungus of the genus Aspergillus, having sporophores with a bristly, knoblike top.


aspergillus British  
/ ˌæspəˈdʒɪləs /

noun

  1. any ascomycetous fungus of the genus Aspergillus , having chains of conidia attached like bristles to a club-shaped stalk: family Aspergillaceae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

Etymology

Origin of aspergillus

1840–50; < New Latin: alteration of aspergillum

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.

His widow Louise has claimed there were a number of failings in his care and that she only discovered he had an aspergillus fungal infection after his death.

From BBC • Jan. 31, 2026

She said black aspergillus mould was found, which can cause breathing difficulties.

From BBC • Feb. 20, 2024

Inspectors found "severe diffuse mould growth aspergillus niger" in the bedroom where the two youngest children sleep.

From BBC • Aug. 15, 2023

Ms Kearsley accepted that Mr Brooks' death was caused by aspergillus pneumonia and that aspergillus is a type of mould.

From BBC • Aug. 10, 2023

Vegetable parasites, like the bacterium and aspergillus, have also been included in the list, although the disturbances resulting from their presence are less due to mechanical obstruction than to colonization and growth.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "aspergillus" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com