What does staphylococcal mean?
Staphylococcal is an adjective describing anything connected with staphylococci, a group of bacteria that includes Staphylococcus aureus. It is especially important in medicine because these organisms can cause skin infections, pneumonia, bloodstream infections, food poisoning, and several other illnesses. The adjective commonly appears in established terms such as staphylococcal infection, staphylococcal toxin, and staphylococcal food poisoning. Some strains have developed resistance to antibiotics, including methicillin-resistant Staphylococcus aureus, commonly abbreviated MRSA. Staphylococcal is therefore both a taxonomic description and a marker of potentially serious infection. In ordinary conversation, people usually say “staph infection” rather than using the full adjective. The word is most useful in medical, scientific, and public-health contexts, where its precise meaning helps distinguish staphylococcal disease from infections caused by other bacteria.
adjectiveRelating to or caused by staphylococci, especially Staphylococcus bacteria. The term is used chiefly in medicine and biological sciences.
- Relating to Staphylococcus bacteria or caused by infection with these bacteria.
"The patient was treated for a severe staphylococcal infection."
"Laboratory tests confirmed a staphylococcal infection."
"Staphylococcal toxins can cause severe food poisoning."
The name Staphylococcus means “berry of the bunch,” inspired by the bacteria’s grape-like clusters under a microscope.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does staphylococcal come from?
Staphylococcal derives from New Latin staphylococcus, a name formed from Greek staphylē, meaning “bunch” or “cluster,” and kokkos, meaning “berry.” The term was applied to the bacteria because their cells commonly form grape-like clusters when viewed under a microscope. The associated adjective developed from this scientific name in the late nineteenth century.
Related word forms
How staphylococcal is actually used
This is a specialized medical and scientific adjective, normally used in clinical descriptions, research literature, and public-health reports.
Easily confused with staphylococcal
Staphylococcal describes conditions caused by Staphylococcus bacteria, whereas streptococcal describes those caused by Streptococcus bacteria.