aspergillus: meaning, definition, pronunciation and examples
C2Academic, Scientific, Medical, Technical
Quick answer
What does “aspergillus” mean?
A genus of common mould fungi, often appearing as a powdery mass of greenish, bluish, or blackish spores.
Audio
Pronunciation
Definition
Meaning and Definition
A genus of common mould fungi, often appearing as a powdery mass of greenish, bluish, or blackish spores.
A fungus found widely in soil and decaying organic matter; some species can cause opportunistic infections in humans (aspergillosis) and others are used in industrial fermentation (e.g., for producing citric acid or soy sauce).
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage. Spelling is identical. 'Mould' (UK) vs. 'mold' (US) is used when describing the general category to which it belongs.
Connotations
Connotations are uniformly negative in medical contexts (infection) but neutral or positive in industrial biotechnology contexts.
Frequency
Equally low-frequency and specialised in both varieties.
Grammar
How to Use “aspergillus” in a Sentence
Aspergillus + [species name] (e.g., Aspergillus fumigatus)infection caused by Aspergillusgrowth of Aspergillus in/on [substrate]Vocabulary
Collocations
Examples
Examples of “aspergillus” in a Sentence
adjective
British English
- The aspergillus contamination was widespread.
- An aspergillus-derived enzyme.
American English
- The aspergillus contamination was widespread.
- An aspergillus-derived enzyme.
Usage
Meaning in Context
Business
Used in biotech, pharmaceutical, and food production industries discussing fermentation processes or contamination issues.
Academic
Common in biology, mycology, medicine, and environmental science papers.
Everyday
Virtually never used in casual conversation. A layperson would say 'mould' or 'black mould'.
Technical
Precise term in medical diagnostics (e.g., 'invasive aspergillosis'), industrial mycology, and laboratory reports.
Vocabulary
Synonyms of “aspergillus”
Neutral
Weak
Watch out
Common Mistakes When Using “aspergillus”
- Mispronunciation: stressing the first syllable (/ˈæspərɡɪləs/) is common but incorrect.
- Using as a countable noun for a single spore (e.g., 'an aspergillus') – it refers to the genus or colony.
- Misspelling: 'aspergilus', 'aspergellus'.
FAQ
Frequently Asked Questions
It depends. For most healthy people, it's harmless. For immunocompromised individuals, it can cause serious lung infections (aspergillosis). Some species also produce toxic compounds called aflatoxins.
It is ubiquitous in the environment: in soil, decomposing plant matter, air conditioning systems, house dust, and on decaying foods like grains and nuts.
Yes, as a colony (mould patch). Individual filaments (hyphae) and spores require a microscope. A common colony might look velvety and green, black, or yellowish.
With antifungal medications such as voriconazole. Treatment can be prolonged and depends on the form of the disease (allergic, chronic, or invasive).
A genus of common mould fungi, often appearing as a powdery mass of greenish, bluish, or blackish spores.
Aspergillus is usually academic, scientific, medical, technical in register.
Aspergillus: in British English it is pronounced /ˌæspəˈdʒɪləs/, and in American English it is pronounced /ˌæspərˈdʒɪləs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'aspire' to 'gill' us – a fungus that 'aspires' to affect our 'gills' (lungs).
Conceptual Metaphor
ASPERGILLUS IS AN INVADER (in medical contexts); ASPERGILLUS IS A TOOL/FACTORY (in industrial contexts).
Practice
Quiz
In which context is 'aspergillus' likely to have a positive connotation?