staphylococcus: meaning, definition, pronunciation and examples
LowTechnical / Medical
Quick answer
What does “staphylococcus” mean?
A type of spherical bacterium that grows in clusters, often found on the skin and in the nose, some strains of which can cause infections.
Audio
Pronunciation
Definition
Meaning and Definition
A type of spherical bacterium that grows in clusters, often found on the skin and in the nose, some strains of which can cause infections.
A genus of gram-positive bacteria (family Staphylococcaceae). In common usage, it refers specifically to pathogenic strains, most notably Staphylococcus aureus, responsible for a wide range of infections from minor skin conditions to life-threatening diseases like sepsis, pneumonia, and endocarditis.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is identical.
Connotations
Identical negative medical connotations in both varieties.
Frequency
Equally low-frequency in general discourse but standard in medical contexts in both regions.
Grammar
How to Use “staphylococcus” in a Sentence
be infected with ~a culture positive for ~a strain of ~an outbreak of ~resistant to antibiotics (e.g., MRSA)Vocabulary
Collocations
Examples
Examples of “staphylococcus” in a Sentence
verb
British English
- This term is not used as a verb.
American English
- This term is not used as a verb.
adverb
British English
- This term is not used as an adverb.
American English
- This term is not used as an adverb.
adjective
British English
- The staphylococcal toxin was identified.
- A staphylococcal infection requires specific antibiotics.
American English
- Staphylococcal food poisoning is a risk.
- The lab confirmed a staphylococcal origin.
Usage
Meaning in Context
Business
Virtually never used, except potentially in the pharmaceutical or healthcare industry context (e.g., "drug development targeting Staphylococcus").
Academic
Extensively used in medical, microbiology, and public health research papers, textbooks, and lectures.
Everyday
Rare, except when discussing a personal or publicized infection. The informal "staph" is more common (e.g., "It's just a staph infection").
Technical
The primary register. Precise use in clinical diagnoses, laboratory reports, epidemiology, and scientific communication.
Watch out
Common Mistakes When Using “staphylococcus”
- Misspelling: 'staffylococcus', 'staphilococcus'.
- Mispronunciation: stressing the first or second syllable (e.g., STAF-i-lo...).
- Using 'staphylococcus' as a countable plural without change (correct: 'staphylococci' /ˌstæf.ɪ.lə(ʊ)ˈkɒk.saɪ/).
FAQ
Frequently Asked Questions
Yes, 'staph' is the common, informal abbreviation for 'staphylococcus', used primarily in non-technical conversation (e.g., 'a staph infection').
No. Many species of Staphylococcus are commensals, meaning they live harmlessly on human skin and mucous membranes. They only become pathogenic (cause disease) if they enter the body through a cut or if the host's immune system is compromised.
MRSA stands for Methicillin-Resistant Staphylococcus Aureus. It is a strain of S. aureus that has developed resistance to several commonly used antibiotics, making infections harder to treat.
In British English: /ˌstæf.ɪ.lə(ʊ)ˈkɒk.əs/ (staf-i-loh-KOK-uhs). In American English: /ˌstæf.ə.loʊˈkɑː.kəs/ (staf-uh-loh-KAH-kuhs). The stress is always on the third syllable ('kok' or 'kahk').
A type of spherical bacterium that grows in clusters, often found on the skin and in the nose, some strains of which can cause infections.
Staphylococcus is usually technical / medical in register.
Phrases
Idioms & Phrases
- “No common idioms exist for this term.”
Learning
Memory Aids
Mnemonic
Break it down: 'staphyle' is Greek for a bunch of grapes, and 'coccus' means spherical. Picture a cluster of grapes, but each grape is a tiny, round bacterium.
Conceptual Metaphor
BACTERIA ARE INVADERS / ENEMIES. The term is strongly framed within the conceptual metaphor of medicine as warfare (e.g., 'fighting an infection,' 'antibiotic resistance').
Practice
Quiz
What is the primary conceptual metaphor associated with the term 'staphylococcus' in medical discourse?