noninfectious
Học thuậtThân thiện
Definition
Adjective: - Not capable of causing infection; not communicable by infection. Describes a disease, condition, or agent that cannot be transmitted from one person, animal, or organism to another.
Usage
The adjective "noninfectious" is used to describe medical conditions, diseases, or agents that are not caused by a transmissible pathogen (like bacteria or viruses) and therefore cannot spread between individuals. It is the direct opposite of "infectious."
Examples
- Adjective:
- Allergies are a common example of a noninfectious disease.
- The doctor confirmed that the rash was noninfectious, so the patient didn't need to be isolated.
- Heart disease and diabetes are major noninfectious health concerns worldwide.
Advanced Usage
- In Epidemiology: The term is used to categorize diseases for public health strategies, distinguishing them from infectious (communicable) diseases.
- Public health campaigns often focus separately on preventing infectious and noninfectious illnesses.
- In Laboratory Contexts: Used to describe samples or materials that are safe to handle because they do not contain viable pathogens.
- The lab received a noninfectious sample for routine chemical analysis.
Variants and Related Words
- Non-communicable disease (NCD): A medical term often used synonymously for a noninfectious disease, such as cancer or asthma.
- Noninfectiousness (noun, rare): The state or quality of being noninfectious.
Synonyms
- Non-communicable
- Non-transmissible
- Non-contagious (Note: Often used interchangeably, though "non-contagious" sometimes more specifically refers to diseases not spread by direct contact.)
Antonyms
- Infectious
- Communicable
- Contagious
- Transmissible
Related Phrases
- Noninfectious agent: A substance or factor that causes disease but is not a living pathogen (e.g., a toxin, genetic factor, or environmental agent).
- Asbestos is a noninfectious agent known to cause lung disease.
Adjective
- not infectious